{"product_id":"otoplastics-3dresyn-oto-clear-cv1-bio-rigid-to-semi-rigid-clear-lacquer","title":"Otoplastics 3Dresyn OTO-Clear CV1 Bio – Rigid to Semi-Rigid Clear Lacquer","description":"\u003cp\u003e\u003cstrong\u003eTransparent rigid to semi-rigid UV\/visible curable biocompatible lacquer for surface sealing and glazing of hard otoplastics and hearing-related shells (biocompatible high purity system)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eProduct description\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3Dresyn OTO-Clear CV1 Bio\u003c\/strong\u003e is a biocompatible transparent lacquer developed for surface sealing and glazing of hard otoplastics and hearing-related shells produced by SLA, DLP and LCD.\u003c\/p\u003e\n\u003cp\u003eIt delivers high optical clarity, a smooth high-gloss surface and a sealed, easy-to-clean finish, while remaining rigid to semi-rigid and tough enough to follow thin shell walls and edges without crazing.\u003c\/p\u003e\n\u003cp\u003eThe formulation combines a clear coating architecture with a high purity system supporting controlled biocompatible workflows, with reduced residual monomer content when properly cured and post-processed. The composition is optimized for thin, uniform film application on shell surfaces.\u003c\/p\u003e\n\u003cp\u003eIt is compatible with SLA, DLP and LCD systems and with light-box post-curing used in professional audiology and dental laboratories.\u003c\/p\u003e\n\u003ch4\u003eApplication framework\u003c\/h4\u003e\n\u003cp\u003eIntended for professional use as a surface lacquer and glaze on properly prepared hard polymeric otoplastic substrates, such as acrylic and methacrylate shells, processed by vat photopolymerization.\u003c\/p\u003e\n\u003cp\u003eFinal suitability of coated parts must be validated by the user according to the specific application, substrate, processing conditions and applicable regulatory requirements.\u003c\/p\u003e\n\u003ch4\u003eTypical applications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSurface sealing and glazing of hard hearing aid shells and in-ear monitor (IEM) shells\u003c\/li\u003e\n\u003cli\u003eTransparent protective lacquering of rigid otoplastic components\u003c\/li\u003e\n\u003cli\u003eSmooth, glossy finishing of custom-fit ear components\u003c\/li\u003e\n\u003cli\u003eSealing of surface microporosity and layer interfaces to improve clarity and cleanability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMechanical properties \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTensile strength: \u0026gt; 45 MPa (ISO 527-1 \/ ISO 527-2)\u003c\/li\u003e\n\u003cli\u003eFlexural strength: \u0026gt; 80 MPa (ISO 178)\u003c\/li\u003e\n\u003cli\u003eYoung’s modulus: 2000–3000 MPa (ISO 527)\u003c\/li\u003e\n\u003cli\u003eElongation at break: 5–15 % (ISO 527)\u003c\/li\u003e\n\u003cli\u003eImpact resistance, Notched Izod: \u0026gt; 25 J\/m (ISO 180:2023)\u003c\/li\u003e\n\u003cli\u003eShore hardness: D80–90 (ISO 868)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePhysical properties \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eViscosity: Low, formulated for thin uniform film by dipping or brushing \u0026lt;500 mPas at 23°C (ISO 3219)\u003c\/li\u003e\n\u003cli\u003eDensity: 1.0–1.2 g\/cm³ (ISO 1183)\u003c\/li\u003e\n\u003cli\u003eWater absorption: \u0026lt; 0.05 % (24 h at 23°C) (ISO 62)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProcessing-related characteristics\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFilm build and coating uniformity: optimized for thin, even lacquer films\u003c\/li\u003e\n\u003cli\u003eFlow and wetting behaviour: optimized for coating intricate shell surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFunctional performance characteristics\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHigh optical clarity and non-yellowing behavior\u003c\/li\u003e\n\u003cli\u003eSmooth, high-gloss sealed surface for skin-contact comfort\u003c\/li\u003e\n\u003cli\u003eRigid to semi-rigid and tough, following thin shell walls and edges without crazing\u003c\/li\u003e\n\u003cli\u003eStrong adhesion to properly prepared hard polymeric otoplastic substrates under validated processing conditions\u003c\/li\u003e\n\u003cli\u003eSuitable for thin-walled rigid shells\u003c\/li\u003e\n\u003cli\u003eCeramic-free clear lacquer formulated for thin film application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrinting \u0026amp; processing guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApplication: surface lacquer and glaze applied by dipping or brushing onto properly prepared hard otoplastic substrates\u003c\/li\u003e\n\u003cli\u003eWavelength range: 200–420 nm, compatible with 385–405 nm printers and with light-box post-curing\u003c\/li\u003e\n\u003cli\u003eApply thin, uniform films and post-cure to a tack-free surface\u003c\/li\u003e\n\u003cli\u003eProperly clean and prepare the substrate before coating to ensure adhesion\u003c\/li\u003e\n\u003cli\u003eFollow the 3Dresyns IFU for Ultra Gloss and Transparency and the relevant exposure and post-curing documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWorkflow recommendations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eValidate adhesion and clarity on a test shell before production\u003c\/li\u003e\n\u003cli\u003eUse validated cleaning and post-curing workflows for biocompatible applications\u003c\/li\u003e\n\u003cli\u003eFor skin-contact devices, ensure complete removal of uncured material and a validated biocompatible final cleanse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBiocompatibility \u0026amp; quality framework\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLOwe hazard and high purity formulation supporting controlled biocompatible workflows\u003c\/li\u003e\n\u003cli\u003eReduced residual monomer content when properly cured and post-processed\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, for example ISO 10993-5 (cytotoxicity) and ISO 10993-10 (irritation and skin sensitization)\u003c\/li\u003e\n\u003cli\u003eManufacturing aligned with ISO 13485 quality management systems\u003c\/li\u003e\n\u003cli\u003eOrgano-tin free formulation\u003c\/li\u003e\n\u003cli\u003eFinal biological performance depends on validated processing workflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTesting \u0026amp; processing disclaimer\u003c\/h4\u003e\n\u003cp\u003eReported values are indicative targets pending final formulation validation and are provided for reference only. Coating properties are determined on coated and post-processed specimens and may vary depending on substrate type, surface preparation, curing conditions and workflow validation.\u003c\/p\u003e\n\u003ch4\u003eRegulatory \u0026amp; legal notice\u003c\/h4\u003e\n\u003cp\u003eThis material is supplied as a professional manufacturing material for audiology and otoplastics workflows and is not marketed as a finished medical device. The regulatory classification, conformity assessment and validation of any final device manufactured or coated using this material remain the sole responsibility of the legal manufacturer in accordance with applicable regulations, including Regulation (EU) 2017\/745.\u003c\/p\u003e\n\u003ch4\u003eWhy choose 3Dresyn® OTO-Clear CV1 Bio\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTransparent lacquer with high optical clarity and non-yellowing behavior\u003c\/li\u003e\n\u003cli\u003eSmooth, high-gloss sealed surface for skin-contact comfort\u003c\/li\u003e\n\u003cli\u003eRigid to semi-rigid and tough, resisting crazing on thin shell walls\u003c\/li\u003e\n\u003cli\u003eBiocompatible, ceramic-free clear lacquer optimized for thin film application\u003c\/li\u003e\n\u003cli\u003eHigh purity and organo-tin free formulation with reduced residual monomer after proper cure\u003c\/li\u003e\n\u003cli\u003eCompatible with SLA, DLP and LCD systems and light-box post-curing\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003ca href=\"https:\/\/www.3dresyns.com\/pages\/resources\"\u003eAccess the 3Dresyns® Technical Resources (IFU, calibration, CRT, post-processing and troubleshooting)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eDocument reference: TDS-OTO-CLEAR-CV1-BIO-EN | Version: 1.0 | Last updated: June 2026\u003c\/p\u003e","brand":"3Dresyns","offers":[{"title":"100 grams","offer_id":59895571022158,"sku":"P21011","price":150.0,"currency_code":"EUR","in_stock":true},{"title":"250 grams","offer_id":59895649861966,"sku":"P21012","price":350.0,"currency_code":"EUR","in_stock":true},{"title":"500 grams","offer_id":59895651959118,"sku":"P21014","price":600.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/5616\/files\/38_bac574a3-db16-4085-b961-1f86db06f10b.png?v=1706628581","url":"https:\/\/www.3dresyns.com\/products\/otoplastics-3dresyn-oto-clear-cv1-bio-rigid-to-semi-rigid-clear-lacquer","provider":"3Dresyns","version":"1.0","type":"link"}