{"product_id":"otoplastics-3dresyn-oto-s-mf-bio-monomer-free-bio-based-soft-resin-shore-a50","title":"Otoplastics 3Dresyn OTO-S MF Bio – Monomer-Free Bio-Based Soft Resin (Shore A50)","description":"\u003cp\u003e\u003cstrong\u003eSoft and highly flexible photopolymer for otoplastics and hearing-related components (bio-based MF system)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct description\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e3Dresyn OTO-S MF Bio\u003c\/strong\u003e is an advanced photopolymer engineered for the fabrication of soft, flexible ear molds and otoplastic components.\u003c\/p\u003e\n\u003cp\u003eThe material provides high flexibility and elasticity without cracking under normal deformation, enabling comfortable and durable performance in wearable audiology applications.\u003c\/p\u003e\n\u003cp\u003eThe formulation is based on a \u003cstrong\u003ebio-based (\u0026gt;60% bio content)\u003c\/strong\u003e and \u003cstrong\u003eMonomer-Free (MF)\u003c\/strong\u003e system, supporting controlled biocompatible workflows and safer material handling.\u003c\/p\u003e\n\u003cp\u003eIt is compatible with a wide range of SLA, DLP and LCD systems used in professional audiology and dental laboratories.\u003c\/p\u003e\n\n\u003ch3\u003eApplication framework\u003c\/h3\u003e\n\u003cp\u003eIntended for professional use in vat photopolymerization (\u003cstrong\u003eSLA, DLP and LCD\u003c\/strong\u003e) additive manufacturing for audiology and otoplastics workflows.\u003c\/p\u003e\n\u003cp\u003eFinal suitability of printed parts must be validated by the user according to the specific application, processing conditions and applicable regulatory requirements.\u003c\/p\u003e\n\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoft ear molds and earmolds\u003c\/li\u003e\n\u003cli\u003eFlexible ear tips and inserts\u003c\/li\u003e\n\u003cli\u003eComfort-fit wearable otoplastic components\u003c\/li\u003e\n\u003cli\u003eFlexible sealing components for hearing devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial properties \u0026amp; test methods\u003c\/h3\u003e\n\n\u003ch4\u003eMechanical properties\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile strength:\u003c\/strong\u003e ~2–5 MPa (ISO 527-1 \/ ISO 527-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYoung’s modulus:\u003c\/strong\u003e ~1–3 MPa (ISO 527-1 \/ ISO 527-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElongation at break:\u003c\/strong\u003e ~120–200% (ISO 527-1 \/ ISO 527-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShore hardness:\u003c\/strong\u003e A50 (ISO 868)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThermal behaviour\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStable performance under typical wearable conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003ePhysical properties\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrinkage:\u003c\/strong\u003e very low (typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution capability:\u003c\/strong\u003e very high (features below 20 µm depending on process)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional stability:\u003c\/strong\u003e high\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunctional performance characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh flexibility and elasticity for improved comfort\u003c\/li\u003e\n\u003cli\u003eResistant to cracking under normal deformation\u003c\/li\u003e\n\u003cli\u003eSoft-touch material behavior for wearable applications\u003c\/li\u003e\n\u003cli\u003eGood dimensional stability despite low modulus\u003c\/li\u003e\n\u003cli\u003eSuitable for complex and thin geometries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePrinting \u0026amp; processing guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinting technologies:\u003c\/strong\u003e SLA, DLP and LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWavelength range:\u003c\/strong\u003e 385–405 nm\u003c\/li\u003e\n\u003cli\u003eCompatible with most commercial and professional systems when properly calibrated\u003c\/li\u003e\n\u003cli\u003eOptimized for high-resolution flexible structures\u003c\/li\u003e\n\u003cli\u003eFollow 3Dresyns IFU for exposure, washing and post-curing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWorkflow recommendations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure complete post-curing to achieve final mechanical and safety performance\u003c\/li\u003e\n\u003cli\u003eValidate cleaning and post-processing workflows for each application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBiocompatibility \u0026amp; quality framework\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBio-based formulation (\u0026gt;60% bio content)\u003c\/li\u003e\n\u003cli\u003eMonomer-Free (MF) formulation as supplied\u003c\/li\u003e\n\u003cli\u003eBiocompatibility-related testing may be performed under controlled laboratory conditions\u003c\/li\u003e\n\u003cli\u003eEvaluation frameworks may include ISO 10993 methodologies\u003c\/li\u003e\n\u003cli\u003eManufacturing aligned with ISO 13485 quality management systems\u003c\/li\u003e\n\u003cli\u003eFinal biological performance depends on validated processing workflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant note\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAlthough supplied as a monomer-free formulation, final part safety and biocompatibility depend on complete polymerization and proper post-processing.\u003c\/strong\u003e Printed otoplastic components must undergo validated cleaning and post-curing workflows to minimize potential extractables, leachables and residual species. Final device qualification remains the responsibility of the legal manufacturer.\u003c\/p\u003e\n\n\u003ch3\u003eTesting \u0026amp; processing disclaimer\u003c\/h3\u003e\n\u003cp\u003eMaterial properties are measured on printed and post-processed specimens and may vary depending on printer type, printing parameters, build orientation, post-curing conditions and workflow validation. Reported values are indicative and provided for reference only.\u003c\/p\u003e\n\n\u003ch3\u003eRegulatory \u0026amp; legal notice\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis material is supplied as a professional manufacturing material for audiology and otoplastics workflows and is not marketed as a finished medical device.\u003c\/strong\u003e The regulatory classification, conformity assessment and validation of any final device manufactured using this material remain the sole responsibility of the legal manufacturer in accordance with applicable regulations.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose 3Dresyn® OTO-S MF Bio\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh flexibility and comfort for wearable applications\u003c\/li\u003e\n\u003cli\u003eBio-based and monomer-free formulation\u003c\/li\u003e\n\u003cli\u003eExcellent elongation and deformation resistance\u003c\/li\u003e\n\u003cli\u003eVery high resolution and low shrinkage\u003c\/li\u003e\n\u003cli\u003eCompatible with SLA\/DLP\/LCD systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"border: 1px solid rgba(0,0,0,.14); padding: 16px; border-radius: 18px; background: #fafafa; margin-top: 24px; margin-bottom: 12px;\"\u003e\n\u003cstrong\u003ePart of the 3Dresyns® Technical Documentation System\u003c\/strong\u003e\n\u003cp style=\"margin: .5rem 0 0 0;\"\u003eThis technical datasheet should be used together with the relevant processing, calibration, safety and workflow documentation available in the 3Dresyns® Resources section.\u003c\/p\u003e\n\u003cp style=\"margin: .6rem 0 0 0;\"\u003e\n\u003ca href=\"https:\/\/www.3dresyns.com\/pages\/resources\"\u003e Access the 3Dresyns® Technical Resources (IFU, calibration, CRT, post-processing and troubleshooting) \u003c\/a\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size: 0.9em; opacity: 0.8;\"\u003eDocument reference: TDS-OTO-S-MF-BIO-EN | Version: 1.0 | Last updated: March 2026\u003c\/p\u003e","brand":"3Dresyns","offers":[{"title":"1000 grams","offer_id":43531281006766,"sku":"P11612","price":178.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/5616\/files\/IMG_8500_002_6.jpg?v=1706630351","url":"https:\/\/www.3dresyns.com\/en-de\/products\/otoplastics-3dresyn-oto-s-mf-bio-monomer-free-bio-based-soft-resin-shore-a50","provider":"3Dresyns","version":"1.0","type":"link"}