{"title":"Flexible Polyurethane Resin","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFlexible polyurethane resin represents the next generation of bendable 3D printing materials for professionals and hobbyists seeking rubber-like elasticity combined with exceptional strength. This advanced photopolymer formulation delivers the perfect balance of flexibility and durability, making it ideal for functional prototypes, impact-resistant parts, and applications requiring repeated flexing without failure. Whether you're designing living hinges, shock-absorbing components, or flexible connectors, this versatile material provides the performance characteristics needed for demanding projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eFlexible Polyurethane Resin: Superior Elasticity and Recovery\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhen your application demands materials that flex, bend, and return to their original shape, flexible polyurethane resin delivers outstanding results. With 65D Shore hardness and 70% elongation at break, this formulation maintains its elastic properties through countless cycles of deformation.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eRubber-like flexibility that allows thin prints to bend 360° without breaking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eExcellent shape memory that returns parts to original dimensions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e70% elongation at break for extreme flexibility applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIdeal for gaskets, seals, O-rings, and living hinge mechanisms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCompatible with MSLA, DLP, and LCD 3D printing systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eExplore more options: Browse our complete \u003c\/span\u003e\u003ca href=\"https:\/\/siraya.tech\/collections\/flexible-resin-3d-printing\"\u003e\u003cspan\u003eflexible resin 3D printing collection\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for additional flexible formulations tailored to your specific requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eExceptional Impact Strength and Durability\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHigh-performance polyurethane formulations excel in applications where rigid materials simply fail. This impact-resistant material absorbs energy and distributes stress throughout the part, preventing cracks and fractures during drops, impacts, and high-stress situations.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e28 MPa tensile strength combined with flexibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e57 J\/m IZOD impact rating for superior shock resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHigh polymer content enhances toughness and tear resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePerfect for protective cases, bumpers, vibration dampeners, and durable miniatures\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eThick prints demonstrate exceptional strength capable of withstanding repeated drops\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePrevents brittle failure common in rigid photopolymers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eVersatile Additive for Enhanced Resin Properties\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAchieving custom mechanical properties is simple when using polyurethane flexible resin as an additive. Mix this material with other 405nm resins to reduce brittleness, improve impact resistance, and create formulations perfectly suited to your specific application needs.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBlend with rigid resins to enhance toughness and reduce fragility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCreate custom flexibility levels by adjusting mixture ratios\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eImprove durability of standard photopolymers without sacrificing detail\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eExperiment with different concentrations to optimize part performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\n\u003cspan\u003eMaintains excellent interlayer adhesion in mixed formulations\u003c\/span\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNeed temperature resistance? Check out our \u003c\/span\u003e\u003ca href=\"https:\/\/siraya.tech\/collections\/heat-resistant-resin\"\u003e\u003cspan\u003eheat-resistant resin collection\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for applications requiring enhanced thermal stability and high-temperature performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eDiverse Applications for Polyurethane 3D Printing Resin\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFrom industrial prototyping to consumer products, flexible polyurethane resin enables designs previously impossible with traditional rigid photopolymers. This material bridges the performance gap between hard and soft materials, opening new possibilities across multiple industries.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTabletop gaming miniatures with flexible weapons and accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAutomotive parts including bushings, seals, and shock-absorbing components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFunctional prototypes featuring living hinges and flexible assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIndustrial tooling and fixtures requiring impact absorption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDental models, orthodontic braces, and flexible dental appliances\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eConsumer electronics with drop protection and flexible features\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDiscover more materials: Explore our full \u003c\/span\u003e\u003ca href=\"https:\/\/siraya.tech\/collections\/photopolymer-resin\"\u003e\u003cspan\u003ephotopolymer resin collection\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e to find the perfect material for every manufacturing challenge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eFrequently Asked Questions: Flexible Polyurethane Resin\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat is polyurethane resin used for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePolyurethane resin is used for 3D printing flexible, impact-resistant parts that require rubber-like properties. Common applications include gaskets, seals, living hinges, protective cases, and shock-absorbing components. It's also frequently mixed with other resins to improve toughness and reduce brittleness in standard photopolymer prints.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eIs polyurethane epoxy flexible?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePolyurethane and epoxy are different material systems with distinct properties. While some polyurethane formulations offer significant flexibility, traditional epoxy resins are typically rigid. Flexible polyurethane photopolymers used in 3D printing provide elasticity and impact resistance that standard epoxy-based resins cannot match.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat is the difference between acrylic and polyurethane resin?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAcrylic resins are typically harder and more rigid with excellent clarity, while polyurethane resins offer superior flexibility and impact resistance. Polyurethane formulations provide rubber-like elasticity and better energy absorption. Acrylic resins are preferred for rigid, detailed parts, whereas polyurethane excels in applications requiring flexibility and toughness.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eIs polyurethane resin the same as epoxy resin?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo, polyurethane resin and epoxy resin are different chemical systems with distinct properties. Epoxy resins generally provide rigid, strong parts with excellent chemical resistance. Polyurethane resins offer greater flexibility, impact resistance, and elasticity, making them ideal for applications requiring bendable or shock-absorbing characteristics rather than maximum rigidity.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"tenacious-resin-flexible-resin","title":"Tenacious -  65D Flexible resin","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eTenacious - Flexible Resin\u003cbr data-mce-fragment=\"1\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHighly versatile and durable 3D printing resin that offers excellent impact resistance, flexibility, and toughness.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHas a high polymer content, which contributes to its outstanding mechanical properties and adds significant toughness and durability to a part.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThin objects printed in Tenacious can be bent 180 degrees without shattering, while thicker objects show great strength and resilience, especially when printed thick.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCan be mixed with other resins to increase toughness of other resins.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTenacious Flex Black has 70A shore hardness, faster rebound than Tenacious Clear and Obsidian Black, and is more flexible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRobot application\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImpact-resistant engineering applications\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFlexible functional parts\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eO-rings and gaskets\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBlend with other resins to improve performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siraya Tech","offers":[{"title":"US \/ 1KG \/ Clear 65D","offer_id":40149523595373,"sku":"ST0004","price":44.2,"currency_code":"USD","in_stock":true},{"title":"US \/ 1KG \/ Obsidian Black 65D","offer_id":40149523759213,"sku":"ST0030","price":44.2,"currency_code":"USD","in_stock":true},{"title":"US \/ 2KG \/ Clear 65D","offer_id":42055783055469,"sku":"ST0304","price":85.79,"currency_code":"USD","in_stock":true},{"title":"US \/ 5KG \/ Clear 65D","offer_id":40149523791981,"sku":"ST0504","price":201.4,"currency_code":"USD","in_stock":true},{"title":"US \/ 5KG \/ Obsidian Black 65D","offer_id":40181393195117,"sku":"ST0530","price":201.4,"currency_code":"USD","in_stock":true},{"title":"US \/ 0.5KG \/ Clear 65D","offer_id":40692304674925,"sku":"ST0204","price":25.19,"currency_code":"USD","in_stock":true},{"title":"EU \/ 1KG \/ Clear 65D","offer_id":40149523529837,"sku":"ST0004EU","price":45.5,"currency_code":"USD","in_stock":true},{"title":"EU \/ 1KG \/ Obsidian Black 65D","offer_id":40149523693677,"sku":"ST0030EU","price":45.5,"currency_code":"USD","in_stock":true},{"title":"CA \/ 1KG \/ Clear 65D","offer_id":40149523497069,"sku":"ST0004CA","price":46.23,"currency_code":"USD","in_stock":true},{"title":"CA \/ 1KG \/ Obsidian Black 65D","offer_id":41864868266093,"sku":"ST0030CA","price":46.23,"currency_code":"USD","in_stock":true},{"title":"AU \/ 1KG \/ Clear 65D","offer_id":40149523464301,"sku":"ST0004AU","price":45.5,"currency_code":"USD","in_stock":true},{"title":"AU \/ 1KG \/ Obsidian Black 65D","offer_id":40149523628141,"sku":"ST0030AU","price":45.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/7539\/1341\/files\/04-_-1.jpg?v=1702967289"},{"product_id":"siraya-tech-tenacious-lava-flexible-resin","title":"Tenacious Lava - 73D higher impact and flexural strength","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Mechanical Properties: \u003c\/strong\u003e50% higher tensile strength, 75% elongation at break, and Shore Hardness of 70-75D.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Impact and Wear Resistance: \u003c\/strong\u003eSuperior strength and durability for functional and industrial parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Large-Format Printing: \u003c\/strong\u003eReliable performance with excellent layer adhesion for big projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision and Detail: \u003c\/strong\u003eHigh-resolution capability with professional-grade black pigmentation for sharp and accurate prints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Stability: \u003c\/strong\u003eHDT of 55-60°C for heat-resistant applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siraya Tech","offers":[{"title":"US \/ 1KG \/ Lava Black","offer_id":42021994758253,"sku":"ST0049","price":44.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/7539\/1341\/files\/TenaciousLava.jpg?v=1737618606"},{"product_id":"flexible-model-resin-tenacious-easy","title":"Tenacious Easy - Easy to Print Model resin with Great Impact Resistance","description":"\u003cul\u003e\n\u003cli\u003eTenacious special version for model printing, not for mixing.\u003c\/li\u003e\n\u003cli\u003eRetaining some flexibility and optimized for detail.\u003c\/li\u003e\n\u003cli\u003eBoth printing experts and novices can get excellent output.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siraya Tech","offers":[{"title":"US \/ 1KG \/ Grey","offer_id":42221307166829,"sku":"ST0043","price":34.29,"currency_code":"USD","in_stock":true},{"title":"US \/ 1KG \/ Navy Grey","offer_id":42221307199597,"sku":"ST0047","price":34.99,"currency_code":"USD","in_stock":true},{"title":"US \/ 2KG \/ Grey","offer_id":42221366345837,"sku":"ST0343","price":67.49,"currency_code":"USD","in_stock":true},{"title":"US \/ 5KG \/ Grey","offer_id":42221307232365,"sku":"ST0543","price":147.0,"currency_code":"USD","in_stock":false},{"title":"EU \/ 1KG \/ Grey","offer_id":42221307265133,"sku":"ST0043EU","price":34.99,"currency_code":"USD","in_stock":true},{"title":"AU \/ 1KG \/ Grey","offer_id":43120890151021,"sku":"ST0043AU","price":34.29,"currency_code":"USD","in_stock":true},{"title":"CA \/ 1KG \/ Grey","offer_id":42351592210541,"sku":"ST0043CA","price":36.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/7539\/1341\/files\/TenaciousEasyGrey.jpg?v=1742278164"},{"product_id":"tenacious-flex-70a-flexible-resin-for-3d-printing","title":"Tenacious Flex Black- 70A Flexible resin","description":"\u003cp\u003e\u003cstrong\u003eTenacious - Flexible Resin\u003cbr\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlexible 70A Hardness Resin\u003c\/li\u003e\n\u003cli\u003eFaster Rebound\u003c\/li\u003e\n\u003cli\u003eSoft, Rubber-Like Elastomer Resin\u003c\/li\u003e\n\u003cli\u003eHigher Impact Resistance\u003c\/li\u003e\n\u003cli\u003eHigher Toughness\u003c\/li\u003e\n\u003cli\u003eSuitable as an additive\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImpact-resistant engineering applications\u003c\/li\u003e\n\u003cli\u003eFlexible functional parts\u003c\/li\u003e\n\u003cli\u003eO-rings and gaskets\u003c\/li\u003e\n\u003cli\u003eBlend with other resins to improve performance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siraya Tech","offers":[{"title":"US \/ 1KG \/ Flex Black 70A","offer_id":42343925186669,"sku":"ST0038","price":45.49,"currency_code":"USD","in_stock":true},{"title":"US \/ 0.5KG \/ Flex Black 70A","offer_id":42343925350509,"sku":"ST0238","price":29.99,"currency_code":"USD","in_stock":true},{"title":"EU \/ 1KG \/ Flex Black 70A","offer_id":42343925448813,"sku":"ST0038EU","price":50.99,"currency_code":"USD","in_stock":true},{"title":"CA \/ 1KG \/ Flex Black 70A","offer_id":42343925547117,"sku":"ST0038CA","price":51.09,"currency_code":"USD","in_stock":true},{"title":"CA \/ 0.5KG \/ Flex Black 70A","offer_id":42343925579885,"sku":"ST0238CA","price":32.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/7539\/1341\/files\/ST0038-000.jpg?v=1742358843"}],"url":"https:\/\/siraya.tech\/collections\/flexible-polyurethane-resin.oembed","provider":"Siraya Tech","version":"1.0","type":"link"}