{"id":7795,"date":"2026-04-17T20:00:00","date_gmt":"2026-04-17T12:00:00","guid":{"rendered":"https:\/\/zetarmold.com\/?p=7795"},"modified":"2026-05-12T03:18:01","modified_gmt":"2026-05-11T19:18:01","slug":"moldeo-por-inyeccion-de-tpu","status":"publish","type":"post","link":"https:\/\/zetarmold.com\/es\/moldeo-por-inyeccion-de-tpu\/","title":{"rendered":"TPU Injection Molding: Complete Processing Guide for Engineers"},"content":{"rendered":"<div class=\"callout-key\" style=\"background:#f0f7ff; border-left:4px solid #2563eb; padding:1em 1.2em; border-radius:6px; margin:1.5em 0;\">\n<strong>Principales conclusiones<\/strong><\/p>\n<ul>\n<li>TPU is a flexible, abrasion-resistant thermoplastic elastomer processed at 180\u2013230\u00b0C on standard injection molding machines.<\/li>\n<li>Shore A hardness spans 60A\u201398A, covering everything from soft grips to semi-rigid structural parts.<\/li>\n<li>Pre-drying at 80\u2013100\u00b0C for 2\u20134 hours is mandatory \u2014 moisture above 0.02% causes splay and chain scission.<\/li>\n<li>TPU outperforms TPE in tensile strength (25\u201355 MPa) and abrasion resistance, making it ideal for demanding applications.<\/li>\n<li>Design for TPU requires generous draft angles (2\u20133\u00b0 for soft grades) and gate diameters \u22651.5 mm.<\/li>\n<\/ul>\n<\/div>\n<h2>What Is TPU Injection Molding?<\/h2>\n<p>TPU <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-complete-guide\/\">moldeo por inyecci\u00f3n<\/a><sup id=\"fnref1:1\"><a href=\"#fn:1\" class=\"footnote-ref\">1<\/a><\/sup> es el proceso de inyectar poliuretano termopl\u00e1stico fundido en un molde de acero para producir piezas flexibles y resistentes a la abrasi\u00f3n. El material combina la elasticidad similar al caucho con la procesabilidad termopl\u00e1stica, lo que lo hace ideal para sobremoldear, sellos y componentes de uso. Para una visi\u00f3n m\u00e1s amplia, consulte nuestro <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-complete-guide\/\">moldeo por inyecci\u00f3n<\/a> gu\u00eda y el <a href=\"https:\/\/zetarmold.com\/es\/injection-mold-complete-guide\/\">molde de inyecci\u00f3n<\/a><sup id=\"fnref1:2\"><a href=\"#fn:2\" class=\"footnote-ref\">2<\/a><\/sup> resumen.<\/p>\n<p>Para una visi\u00f3n m\u00e1s amplia, nuestro <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-complete-guide\/\">injection molding complete guide<\/a> cubre fundamentos del proceso, comportamiento del material y decisiones de producci\u00f3n.<\/p>\n<p>For broader context, compare this topic with <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-supplier-sourcing-guide\/\">supplier sourcing guide<\/a>.<\/p>\n<div class=\"factory-insight\" style=\"background:#f0f7ff;border-left:4px solid #0066cc;padding:12px 16px;margin:1.5em 0;\"><strong>\ud83c\udfed ZetarMold Factory Insight<\/strong><br \/>En nuestra f\u00e1brica de Shanghai, operamos 47 m\u00e1quinas de moldeo por inyecci\u00f3n de 90T a 1850T, por lo que tratamos cada decisi\u00f3n de herramienta como una pregunta sobre el margen de proceso, no solo como un precio cotizado.<\/div>\n<p>El moldeo por inyecci\u00f3n de TPU consiste en fundir gr\u00e1nulos de poliuretano termopl\u00e1stico e inyectarlos en un molde para hacer piezas flexibles, similares al caucho. Funciona en las mismas m\u00e1quinas utilizadas para ABS, PP o nylon.<\/p>\n<p>In our factory, TPU has become one of the most requested elastomeric materials over the past five years. Customers come to us when they need parts that combine rubber-like flexibility with thermoplastic recyclability \u2014 think cable overmolds, wearable device skins, and industrial seals. The chemistry behind TPU consists of alternating hard segments (from diisocyanate and chain extender) and soft segments (from polyol), which create its signature combination of strength and elasticity at the molecular level.<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1.jpg\" alt=\"Injection Molding Process Flowchart\" class=\"wp-image-53261 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1.jpg 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1-300x171.jpg 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1-768x439.jpg 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1-18x10.jpg 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-process-flow-800x457-1-600x343.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">TPU injection molding process flow<\/figcaption><\/figure>\n<p>TPU injection molding follows the same fundamental cycle as any thermoplastic: plasticizing, injection, packing, cooling, and ejection. However, TPU\u2019s sensitivity to moisture and its unique flow behavior demand tighter process control than commodity plastics. The reward is a part with outstanding mechanical performance that no other thermoplastic fully replicates.<\/p>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201cEl TPU puede moldearse por inyecci\u00f3n en las mismas m\u00e1quinas utilizadas para ABS, PP y nailon.\u201d<\/b><span class=\"claim-true-or-false\">Verdadero<\/span><\/p>\n<p class=\"claim-explanation\">Standard reciprocating-screw injection molding machines process TPU effectively. The key differences are parameter settings (lower barrel temperatures of 180\u2013230\u00b0C, slower injection speeds) and the mandatory pre-drying step \u2014 not the equipment itself.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201c\u201cNecesita equipos especializados de procesamiento de caucho para moldear piezas de TPU.\u201d\u201d<\/b><span class=\"claim-true-or-false\">Falso<\/span><\/p>\n<p class=\"claim-explanation\">TPU is a thermoplastic elastomer, not a thermoset rubber. It melts and flows like a thermoplastic, so it can be processed on any standard injection molding machine without special rubber-processing attachments or vulcanization ovens.<\/p>\n<\/div>\n<h2>What Are the Key Material Properties of TPU?<\/h2>\n<p>Las propiedades clave del TPU son dureza Shore A de 60A\u201398A, resistencia a la tracci\u00f3n de 25\u201355 MPa y p\u00e9rdida por abrasi\u00f3n de 20\u201380 mm3. Estas se establecen durante la s\u00edntesis mediante la proporci\u00f3n de segmentos duros\/blandos.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Propiedad<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Typical Value<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Significance<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Shore Hardness<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">60A\u201398A \/ 40D\u201380D<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Soft grips to semi-rigid housings<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Resistencia a la tracci\u00f3n<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">25\u201355 MPa<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Higher than most TPEs<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Alargamiento a la rotura<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">300\u2013700%<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Excellent flexibility<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Operating Temp.<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">\u201340\u00b0C to +100\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Outdoor and refrigerated use<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Resistencia a la abrasi\u00f3n<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">20\u201380 mm3 p\u00e9rdida DIN<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Superior to rubbers and TPEs<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Absorci\u00f3n de agua<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">0.5\u20132.0% (24 hr)<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Mandatory pre-drying<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Polyester-based TPU grades offer superior oil resistance and abrasion performance, while polyether-based grades excel in hydrolysis resistance and low-temperature flexibility. For marine or humid-environment parts, we always specify polyether TPU. For automotive underhood components exposed to hydraulic fluid, polyester grades perform better.<\/p>\n<p>TPU process parameters are barrel temp 180\u2013230\u00b0C, mold temp 20\u201350\u00b0C, slow injection speed, and 2\u20134 hour pre-drying at 80\u2013100\u00b0C. Moisture below 0.02% is mandatory.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Par\u00e1metro<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Range<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Notas<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Pre-drying Temp.<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">80\u2013100\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">2\u20134 hours; dehumidifying dryer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Barrel Temp. (Rear)<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">170\u2013190\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Prevents premature melting<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Barrel Temp. (Front)<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">190\u2013230\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Abrasi\u00f3n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Temperatura del molde<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">20\u201350\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Higher = better surface<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Presi\u00f3n de inyecci\u00f3n<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">50\u2013120 MPa<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Softer grades need less<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Presi\u00f3n de mantenimiento<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">60\u201380% of peak<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Prevents sink marks<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Tiempo de enfriamiento<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">15\u201360 seconds<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Flexible parts need longer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Velocidad del tornillo<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">30\u201380 RPM<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Slow prevents shear damage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In our experience, TPU\u2019s sensitivity to residence time is one of the trickiest parameters to manage. If TPU sits in the barrel at processing temperature for more than 5\u201310 minutes, it begins to degrade \u2014 you\u2019ll see yellowing and a sharp drop in tensile properties. We always purge the machine between runs and minimize shot-to-cycle intervals during production startup.<\/p>\n<h2>What Are Common Defects in TPU Injection Molding and How Can You Prevent Them?<\/h2>\n<p>The most common TPU defects are splay marks (moisture), mold sticking (high tack), short shots (low pressure), and yellowing (thermal degradation). Each has a specific root cause and a practical fix.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Defecto<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Root Cause<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Prevention<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Splay \/ Silver Streaks<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Moisture in material<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Dry at 90\u00b0C for 3\u20134 hours<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Part Sticking<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">High elasticity, low draft<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Increase draft to 2\u20133\u00b0<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Bubbles \/ Voids<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Thermal degradation<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Reduce barrel temp; improve venting<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Disparo corto<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Insufficient fill pressure<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Raise injection pressure 10\u201320%<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Flash<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Overpacking; worn parting line<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Reduce holding pressure<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Yellowing<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Excessive temp or residence<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Keep barrel below 240\u00b0C; purge<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>We\u2019ve found that part sticking is the single biggest production bottleneck for soft TPU grades. In one project for a wearable fitness device, we were running Shore 75A TPU with a complex undercut geometry. The fix wasn\u2019t more release agent \u2014 it was increasing the draft angle from 1\u00b0 to 2.5\u00b0 on the sidewalls and redesigning the ejector pin locations. Cycle time dropped from 45 seconds to 28 seconds after the mold modification.<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide.webp\" alt=\"Gu\u00eda visual de defectos comunes en el moldeo por inyecci\u00f3n de TPU\" class=\"wp-image-51585 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide.webp 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide-300x171.webp 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide-768x439.webp 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide-18x10.webp 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2025\/11\/injection-molding-defects-guide-600x343.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Defectos comunes de moldeo de TPU y prevenci\u00f3n<\/figcaption><\/figure>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201c\u201cEl TPU debe secarse a 80\u2013100\u00b0C durante 2\u20134 horas antes de cada corrida de producci\u00f3n.\u201d\u201d<\/b><span class=\"claim-true-or-false\">Verdadero<\/span><\/p>\n<p class=\"claim-explanation\">Pre-drying is non-negotiable. Moisture content above 0.02% causes hydrolytic chain scission during the melt phase, producing splay marks, surface bubbles, and significant reduction in tensile strength.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201c\u201cSi los gr\u00e1nulos de TPU se almacenan en una bolsa sellada, no necesitan secado.\u201d\u201d<\/b><span class=\"claim-true-or-false\">Falso<\/span><\/p>\n<p class=\"claim-explanation\">TPU is highly hygroscopic \u2014 it can absorb enough moisture in 30\u201360 minutes of open-air exposure to cause splay marks and chain scission. Pre-drying is mandatory regardless of storage conditions.<\/p>\n<\/div>\n<h2>What Industries Rely on TPU Injection Molded Parts?<\/h2>\n<p>TPU is widely used across automotive, footwear, medical, consumer electronics, and industrial applications. Its combination of flexibility, abrasion resistance, and chemical tolerance makes it the go-to elastomer for demanding environments.<\/p>\n<p><strong>Autom\u00f3vil:<\/strong> Door seals, gearshift boots, cable grommets, and vibration-damping mounts. Polyester-based TPU grades offer the fuel and oil resistance required for underhood applications. We\u2019ve produced TPU cable harness guides for EV battery packs where dimensional stability at \u201330\u00b0C was a hard requirement.<\/p>\n<p><strong>Footwear:<\/strong> Las mediasuelas, las suelas exteriores y las punteras utilizan TPU por su excepcional resistencia a la abrasi\u00f3n (p\u00e9rdida DIN de 20\u201340 mm3) y resistencia a la fatiga por flexi\u00f3n. Las suelas exteriores de TPU moldeadas por inyecci\u00f3n soportan millones de ciclos de flexi\u00f3n sin agrietarse.<\/p>\n<p><strong>Productos sanitarios:<\/strong> Medical-grade TPU formulations are used for surgical tubing, catheter components, and wearable sensor housings. Polyether TPU\u2019s hydrolysis resistance and biocompatibility (ISO 10993) make it suitable for body-contact applications. We produce flexible TPU housings for continuous glucose monitoring devices.<\/p>\n<div class=\"claim claim-true\" style=\"background-color: #eff7ef; border-color: #eff7ef; color: #5a8a5a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#16a34a\" stroke-width=\"2\"><path d=\"M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z\"\/><\/svg><b>\u201cEl TPU puede acomodar peque\u00f1os socavados flexion\u00e1ndose durante el desmoldeo.\u201d<\/b><span class=\"claim-true-or-false\">Verdadero<\/span><\/p>\n<p class=\"claim-explanation\">TPU\u2019s elasticity allows it to stretch over minor undercuts without damage, reducing tooling complexity by eliminating sliders or lifters.<\/p>\n<\/div>\n<div class=\"claim claim-false\" style=\"background-color: #f7e8e8; border-color: #f7e8e8; color: #8a4a4a;\">\n<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#dc2626\" stroke-width=\"2\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><b>\u201cLas piezas de TPU son demasiado caras para productos de consumo de alto volumen.\u201d<\/b><span class=\"claim-true-or-false\">Falso<\/span><\/p>\n<p class=\"claim-explanation\">TPU costs more per kilogram than commodity TPE, but its longer mold life (300K+ shots), lower scrap rate, and runner recyclability often make it cheaper per-part in volumes above 10,000 units.<\/p>\n<\/div>\n<p><strong>Electr\u00f3nica de consumo:<\/strong> Phone cases, cable overmolds, earphone tips, and smartwatch bands. TPU\u2019s chemical resistance to sweat, cleaning solvents, and UV light makes it durable in daily consumer environments.<\/p>\n<p><strong>Industrial:<\/strong> Hydraulic hose couplings, conveyor components, roll covers, and protective boots from harder TPU grades (Shore 90A\u201360D). Abrasion and tear resistance exceeds natural rubber by 3\u20135\u00d7 in high-speed conveyor applications.<\/p>\n<h2>How Does TPU Compare to TPE, Silicone, and Rubber?<\/h2>\n<p>El TPU es m\u00e1s fuerte y resistente a la abrasi\u00f3n que los elast\u00f3meros termopl\u00e1sticos est\u00e1ndar (TPE), con una resistencia a la tracci\u00f3n de 25\u201355 MPa frente a 8\u201320 MPa del TPE. Tambi\u00e9n ofrece reciclabilidad que el caucho vulcanizado y el LSR no pueden igualar.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Propiedad<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">TPU<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">TPE<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Silicona<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Rubber<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Resistencia a la tracci\u00f3n<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">25\u201355 MPa<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">8\u201320 MPa<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">6\u201312 MPa<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">10\u201330 MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Abrasion<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Excelente<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Bien<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Pobre<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Very Good<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Moldeo por Inyecci\u00f3n de TPU: Gu\u00eda Completa para Ingenieros<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">\u201340 to +100\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">\u201350 to +80\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">\u201360 to +200\u00b0C<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">\u201340 to +100\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Recyclable<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Yes<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Yes<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">No<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">No<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Pre-drying<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Mandatory<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Sometimes<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">No<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">N\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>We\u2019ve run direct comparison projects for clients choosing between TPU and TPE for phone case applications. TPE (SEBS-based) costs 20\u201330% less per kilogram and processes more easily, but drop test results were consistently 15\u201325% worse with TPE versus a comparable Shore 85A TPU grade. When mechanical performance under repeated impact is critical, TPU wins.<\/p>\n<h2>What Design Guidelines Should You Follow for TPU Parts?<\/h2>\n<p>TPU parts are best designed with 1.5\u20134.0 mm walls, 2\u20133\u00b0 draft for soft grades, gate diameter \u22651.5 mm, and gradual transitions. TPU flexes enough to demold 3\u20135% undercuts without sliders.<\/p>\n<p><strong>Espesor de pared:<\/strong> Very thin walls (6 mm) produce long cooling times and potential voids. Uniform wall thickness is especially important with TPU \u2014 sudden changes cause differential shrinkage that creates warpage.<\/p>\n<p><strong>\u00c1ngulos de tiro:<\/strong> This is where we see the most design revisions. Shore 60A\u201375A grades need 2\u20133\u00b0 minimum, and 3\u20135\u00b0 for textured surfaces. TPU grips the mold core during cooling, so generous draft is essential for reliable ejection.<\/p>\n<p><strong>Socavones:<\/strong> Unlike rigid plastics, TPU can accommodate minor undercuts (3\u20135% of part diameter) by flexing during demolding. This reduces tooling complexity \u2014 many features that would require sliders in ABS can be directly demolded with TPU.<\/p>\n<p><strong>Dise\u00f1o de la puerta:<\/strong> Submarine gates are popular for TPU because they self-degate. Gate diameter must be 1.5\u20132.5 mm minimum \u2014 undersized gates cause excessive shear. Avoid pin gates smaller than 1.0 mm with soft grades.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:1.5em 0;\">\n<caption style=\"font-weight:bold;margin-bottom:0.5em;\">Authority checkpoint 1<\/caption>\n<thead>\n<tr>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">\u00c1rea del punto de control 1<\/th>\n<th style=\"border:1px solid #ddd;padding:8px;background:#f5f5f5;\">Verificaci\u00f3n del punto de control 1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Tooling<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Confirma c\u00f3mo el dise\u00f1o del molde afecta al moldeo por inyecci\u00f3n de TPU: Gu\u00eda de procesamiento completa para ingenieros.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Material<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Check resin behavior, shrinkage, heat, and cosmetic risks.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:8px;\">Calidad<\/td>\n<td style=\"border:1px solid #ddd;padding:8px;\">Ask for inspection evidence before production approval.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1.jpg\" alt=\"Diagrama de dise\u00f1o del \u00e1ngulo de desmoldeo para moldeo por inyecci\u00f3n de piezas de TPU\" class=\"wp-image-53346 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1.jpg 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1-300x171.jpg 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1-768x439.jpg 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1-18x10.jpg 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/04\/injection-molding-draft-angle-diagram-800x457-1-600x343.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Dise\u00f1o de \u00e1ngulo de desmoldeo para piezas de TPU<\/figcaption><\/figure>\n<p><strong>Sobremoldeado:<\/strong> El TPU es uno de los materiales m\u00e1s vers\u00e1tiles para sobremoldeado sobre sustratos r\u00edgidos (ABS, PC, PC\/ABS, nailon). Hemos sobremoldeado con \u00e9xito TPU Shore 85A sobre carcasas de PC\/ABS, logrando una fuerza de adhesi\u00f3n superior a 5 MPa en pruebas de pelado. Para m\u00e1s informaci\u00f3n sobre <a href=\"https:\/\/zetarmold.com\/es\/injection-mold-complete-guide\/\">dise\u00f1o de moldes de inyecci\u00f3n<\/a> design principles, see our complete guide.<\/p>\n<p>Las verificaciones clave antes de una solicitud de cotizaci\u00f3n son confirmar el grado de resina, las tolerancias, las zonas cosm\u00e9ticas y el volumen anual. La vida \u00fatil del molde, el n\u00famero de cavidades y el nivel de automatizaci\u00f3n tambi\u00e9n cambian el precio unitario.<\/p>\n<p>The RFQ should also ask for manufacturing assumptions. Tool steel, cavity count, runner type, surface finish, trial schedule, measurement method, packaging, and change-control expectations all influence final cost and lead time. When these assumptions are explicit, later negotiation becomes faster and safer.<\/p>\n<p>Una respuesta t\u00e9cnica s\u00f3lida y detallada siempre identificar\u00e1 las entradas faltantes en lugar de ocultar la incertidumbre. Si el proveedor pregunta sobre la acumulaci\u00f3n de tolerancias, los l\u00edmites del vestigio de la compuerta, la certificaci\u00f3n de la resina, la igualaci\u00f3n de color o la variaci\u00f3n de la demanda anual, eso suele significar que el equipo de ingenier\u00eda est\u00e1 evaluando el proyecto en profundidad de producci\u00f3n en lugar de cotizar a ciegas.<\/p>\n<p>Para proyectos al estilo ZetarMold, el mejor resultado es una ruta de fabricaci\u00f3n clara: revisi\u00f3n de DFM, confirmaci\u00f3n del dise\u00f1o del molde, construcci\u00f3n del utillaje, muestreo, inspecci\u00f3n, acci\u00f3n correctiva y liberaci\u00f3n para producci\u00f3n. Esa secuencia proporciona autoridad pr\u00e1ctica y ofrece a los compradores una lista de verificaci\u00f3n \u00fatil para su pr\u00f3xima conversaci\u00f3n con el proveedor.<\/p>\n<h2>\u00bfQu\u00e9 Evidencia de Producci\u00f3n Debe Revisar Antes de Aprobar un Proveedor de TPU?<\/h2>\n<p>Los registros clave de evidencia de producci\u00f3n son pruebas de moldeo, reportes dimensionales y certificados de resina. Antes de aprobar cualquier proveedor de TPU para producci\u00f3n, los datos de primera pieza deben listar valores medidos para cada dimensi\u00f3n cr\u00edtica, no solo marcas de aprobado\/rechazado.<\/p>\n<p>Cuando un proyecto involucra aspectos cosm\u00e9ticos o tolerancias estrechas <a href=\"https:\/\/zetarmold.com\/es\/injection-molding-complete-guide\/\">pl\u00e1stico<\/a><sup id=\"fnref1:3\"><a href=\"#fn:3\" class=\"footnote-ref\">3<\/a><\/sup> piezas, la evidencia tambi\u00e9n debe incluir las reglas de aprobaci\u00f3n de muestras acordadas antes de que comience la producci\u00f3n en volumen. Las muestras l\u00edmite, los dispositivos de medici\u00f3n, los est\u00e1ndares de color y los tableros de clasificaci\u00f3n de defectos deben establecerse y documentarse claramente antes de la liberaci\u00f3n de producci\u00f3n para evitar disputas de aceptaci\u00f3n subjetivas posteriormente.<\/p>\n<figure style=\"text-align:center;margin:2em 0;\">\n<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"457\" src=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1.jpg\" alt=\"Ejemplo de sobremoldeo de TPU en pieza moldeada por inyecci\u00f3n\" class=\"wp-image-52479 size-full\" style=\"max-width:100%;height:auto;\" srcset=\"https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1.jpg 800w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1-300x171.jpg 300w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1-768x439.jpg 768w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1-18x10.jpg 18w, https:\/\/zetarmold.com\/wp-content\/uploads\/2026\/03\/Overmolding1-800x457-1-600x343.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption style=\"font-size:0.78em; color:#888; font-style:italic; margin-top:4px; text-align:center;\">Proceso de sobremoldeo de TPU<\/figcaption><\/figure>\n<h2>Preguntas Frecuentes sobre el Moldeo por Inyecci\u00f3n de TPU<\/h2>\n<h3>\u00bfCu\u00e1l es la cantidad m\u00ednima de pedido para piezas moldeadas por inyecci\u00f3n de TPU?<\/h3>\n<p>No hay un m\u00ednimo universal \u2014 depende de la amortizaci\u00f3n de las herramientas. Para un molde simple que cuesta $3,000\u20135,000, cantidades de 500\u20132,000 piezas pueden ser econ\u00f3micas. Para piezas de TPU de alto volumen (100,000+ unidades\/a\u00f1o), moldes multicavidad con 4\u20138 cavidades son est\u00e1ndar.<\/p>\n<h3>\u00bfPuedo usar TPU reciclado (rTPU) para moldeo por inyecci\u00f3n?<\/h3>\n<p>S\u00ed, pero con limitaciones. El TPU reciclado generalmente tiene una resistencia a la tracci\u00f3n 10\u201320% menor y una elongaci\u00f3n reducida. Para aplicaciones no estructurales, el rTPU funciona bien. Para piezas que soportan carga, mezclar un 10\u201320% de rTPU con resina virgen es un compromiso com\u00fan.<\/p>\n<h3>\u00bfCu\u00e1nto tiempo suele durar un molde de inyecci\u00f3n de TPU?<\/h3>\n<p>Un molde de acero P20 de grado de producci\u00f3n para TPU suele durar entre 300.000 y 500.000 inyecciones. El TPU es m\u00e1s suave con el acero del molde que los materiales rellenos de abrasivos, por lo que la vida \u00fatil del molde depende principalmente del n\u00famero de inyecciones.<\/p>\n<h3>\u00bfPor qu\u00e9 mi pieza de TPU se vuelve amarilla despu\u00e9s del moldeo?<\/h3>\n<p>El amarillamiento casi siempre es causado por degradaci\u00f3n t\u00e9rmica \u2014 temperatura del ca\u00f1\u00f3n demasiado alta (por encima de 240\u00b0C), tiempo de residencia excesivo o hidr\u00f3lisis inducida por humedad. Verifique primero su perfil de temperatura del ca\u00f1\u00f3n y purgue la m\u00e1quina antes de la producci\u00f3n.<\/p>\n<h3>\u00bfCu\u00e1l es la tasa de contracci\u00f3n t\u00edpica para el TPU?<\/h3>\n<p>La contracci\u00f3n del TPU var\u00eda de 0,8 a 2,0% dependiendo de la dureza. Los grados m\u00e1s blandos (Shore 60A\u201375A) se contraen 1,5\u20132,0%, mientras que los grados m\u00e1s duros (Shore 90A\u201360D) se contraen 0,8\u20131,2%. Consulte siempre la hoja de datos del material y realice disparos de prueba antes de finalizar las dimensiones del molde.<\/p>\n<h3>\u00bfEs el TPU seguro para aplicaciones de contacto con alimentos?<\/h3>\n<p>Algunos grados de TPU cumplen con las normas de la FDA para contacto con alimentos bajo las regulaciones 21 CFR, pero el grado espec\u00edfico debe verificarse. No todas las formulaciones son seguras para alimentos: los colorantes y aditivos pueden descalificar un grado.<\/p>\n<h3>\u00bfCu\u00e1l es la diferencia entre el TPU de poli\u00e9ster y el TPU de poli\u00e9ter?<\/h3>\n<p>Polyester TPU offers better oil resistance and abrasion performance; polyether TPU provides superior hydrolysis resistance and low-temperature flexibility. For marine or humid environments, specify polyether. For automotive underhood applications, choose polyester.<\/p>\n<h2>Get Expert TPU Injection Molding Support<\/h2>\n<p>El mayor factor de costo en el moldeo de TPU no es el precio del material, sino lograr el secado, los \u00e1ngulos de desmoldeo y el dise\u00f1o de la compuerta correctos desde la primera vez. En nuestros 20 a\u00f1os de manejar herramientas de TPU en ZetarMold, nuestros 8 ingenieros senior utilizan simulaci\u00f3n de flujo de molde en cada proyecto de TPU antes de cortar el acero, detectando desequilibrios de llenado y riesgos de l\u00edneas de soldadura de manera temprana.<\/p>\n<p>Con 47 m\u00e1quinas de moldeo por inyecci\u00f3n (90T\u20131850T), m\u00e1s de 400 opciones de material y sistemas de calidad certificados ISO 9001\/13485, tenemos el equipo y la experiencia para manejar proyectos de TPU desde prototipo hasta producci\u00f3n en volumen. Cont\u00e1ctenos para discutir su proyecto de TPU \u2014 nuestro equipo de ingenier\u00eda que habla ingl\u00e9s responde dentro de 24 horas.<\/p>\n<p><script type=\"application\/ld+json\"> { \"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [ { \"@type\": \"Question\", \"name\": \"What is the minimum order quantity for TPU injection molded parts?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"There is no universal minimum \u2014 it depends on tooling amortization. For a simple mold costing $3,000\u20135,000, quantities of 500\u20132,000 parts can be economical. For high-volume TPU parts (100,000+ units\/year), multi-cavity molds with 4\u20138 cavities are standard.\" } }, { \"@type\": \"Question\", \"name\": \"Can I use recycled TPU (rTPU) for injection molding?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes, but with limitations. Recycled TPU typically has 10\u201320% lower tensile strength and reduced elongation.<\/p>\n<hr style=\"margin:2em 0;border:none;border-top:1px solid #e0e0e0;\" \/>\n<ol class=\"footnotes\">\n<li id=\"fn:1\">\n<p><strong>moldeo por inyecci\u00f3n<\/strong>: el moldeo por inyecci\u00f3n se refiere al proceso de producci\u00f3n que funde pl\u00e1stico, lo inyecta en una cavidad del molde, enfr\u00eda la pieza y repite el ciclo para una fabricaci\u00f3n estable en volumen. <a href=\"#fnref1:1\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:2\">\n<p><strong>molde de inyecci\u00f3n<\/strong>: El molde de inyecci\u00f3n se refiere a que el molde de inyecci\u00f3n es la herramienta de precisi\u00f3n que define la geometr\u00eda de la pieza, el comportamiento de enfriamiento, la expulsi\u00f3n, la entrada, el acabado superficial y la repetibilidad. <a href=\"#fnref1:2\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<li id=\"fn:3\">\n<p><strong>pl\u00e1stico<\/strong>: El pl\u00e1stico es una familia de materiales cuyas caracter\u00edsticas de flujo, contracci\u00f3n, resistencia, resistencia al calor, calidad est\u00e9tica, tiempo de ciclo y rendimiento a largo plazo determinan las decisiones de moldeo. <a href=\"#fnref1:3\" class=\"footnote-backref\">\u21a9<\/a><\/p>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Puntos clave TPU es un elast\u00f3mero termopl\u00e1stico flexible y resistente a la abrasi\u00f3n, procesado a 180\u2013230\u00b0C en m\u00e1quinas de moldeo por inyecci\u00f3n est\u00e1ndar. La dureza Shore A abarca 60A\u201398A, cubriendo todo desde agarres suaves hasta piezas estructurales semir\u00edgidas. El pre-secado a 80\u2013100\u00b0C durante 2\u20134 horas es obligatorio \u2014 la humedad superior a 0.02% causa salpicadura y escisi\u00f3n de cadena. TPU supera a TPE en resistencia a la tracci\u00f3n (25\u201355 [\u2026]<\/p>","protected":false},"author":1,"featured_media":7659,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"TPU Injection Molding: Complete Guide for Engineers","_seopress_titles_desc":"Master TPU injection molding: parameters, drying, defect fixes, mold design, and material selection from 20+ years of production experience.","_seopress_robots_index":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[45],"tags":[88,48,302],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts\/7795"}],"collection":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/comments?post=7795"}],"version-history":[{"count":0,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/posts\/7795\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/media\/7659"}],"wp:attachment":[{"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/media?parent=7795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/categories?post=7795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zetarmold.com\/es\/wp-json\/wp\/v2\/tags?post=7795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}