{"product_id":"castaldo-liquafast-ice-transparent-rtv-silicone-rubber-4kg-kit","title":"Castaldo LiquaFast ICE Transparent No Shrink Liquid Mold Rubber-4 Kilo Kit","description":"\u003cp\u003eLiquaFast® ICE is Castaldo's ultra-fast-curing, transparent 0% shrinkage RTV silicone mold rubber, developed for rapid production of CAD-CAM, RP, and SLA models. This two-part system forms tough, long-lasting molds ready in as little as 30 minutes — perfect for same-day casting workflows. Its clarity allows visual inspection of models during pouring and curing, while low viscosity ensures bubble-free detail replication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Hazardous material — ground shipping only. Not eligible for air or international shipment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSuper-fast cure — ready-to-use molds in as little as 30 minutes.\u003c\/li\u003e\n\u003cli\u003e0% shrinkage for precision-fit wax patterns and accurate castings.\u003c\/li\u003e\n\u003cli\u003eTransparent silicone formula allows direct visual inspection while curing.\u003c\/li\u003e\n\u003cli\u003eExtremely tough and tear-resistant — molds resist softening over time.\u003c\/li\u003e\n\u003cli\u003eLow viscosity simplifies measuring, mixing, and pouring with fewer bubbles.\u003c\/li\u003e\n\u003cli\u003eRecommended vacuum degassing for optimal clarity and mold strength.\u003c\/li\u003e\n\u003cli\u003eEconomical alternative to traditional silicone RTVs — lower cost per mold cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eKit Size\u003c\/th\u003e\n\u003ctd\u003e4 kilograms (8.8 lb total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTwo-part transparent RTV silicone rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMix Ratio\u003c\/th\u003e\n\u003ctd\u003e1:1 by weight or volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViscosity\u003c\/th\u003e\n\u003ctd\u003eLow — easy to pour and degas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Time\u003c\/th\u003e\n\u003ctd\u003e15–25 minutes at 77°F (25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCure Time\u003c\/th\u003e\n\u003ctd\u003e60–90 minutes at room temperature; usable molds in 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccelerated Cure\u003c\/th\u003e\n\u003ctd\u003e20–30 minutes at 120°F (50°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShrinkage\u003c\/th\u003e\n\u003ctd\u003e0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVacuum Use\u003c\/th\u003e\n\u003ctd\u003eRecommended for best results; improves clarity and eliminates trapped air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLiquaFast® ICE Part A (clear base)\u003c\/li\u003e\n\u003cli\u003eLiquaFast® ICE Part B (clear catalyst)\u003c\/li\u003e\n\u003cli\u003eTotal net contents: 4 kilograms (8.8 lb); mix 1:1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptimized for CAD-CAM, RP, and SLA resin models, including Solidscape® and similar materials.\u003c\/li\u003e\n\u003cli\u003eIdeal for jewelers and model makers requiring fast turnaround and high detail fidelity.\u003c\/li\u003e\n\u003cli\u003eCompatible with most casting waxes and resins. Use a barrier coat for sensitive materials if required.\u003c\/li\u003e\n\u003cli\u003eRecommended for professional jewelry mold making, prototyping, and small-scale production.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor best results, vacuum-degas after mixing and again after pouring to remove air bubbles.\u003c\/li\u003e\n\u003cli\u003eTo accelerate curing, warm molds gently to 120°F (50°C). Avoid overheating above 150°F (65°C).\u003c\/li\u003e\n\u003cli\u003eIf no vacuum pump is available, brush or dip the model before pouring the full mold to minimize air entrapment.\u003c\/li\u003e\n\u003cli\u003eMaintain even room temperature (above 65°F \/ 18°C) during curing. Avoid temperature fluctuations.\u003c\/li\u003e\n\u003cli\u003eStore unopened containers in a cool, dry place away from sunlight. Shelf life: approximately 6 months.\u003c\/li\u003e\n\u003cli\u003eClassified ORM-D: ground shipping only; not for air or international transport.\u003c\/li\u003e\n\u003cli\u003eUse gloves and eye protection. Work in a well-ventilated area.\u003c\/li\u003e\n\u003cli\u003eRead and follow all Castaldo SDS and label precautions before use.\u003c\/li\u003e\n\u003cli\u003eProfessional use only — designed for experienced casters and mold makers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castaldo","offers":[{"title":"Default Title","offer_id":43584078250198,"sku":"122.621-4KG","price":415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/castaldo-liquafast-ice-transparent-no-shrink-liquid-mold-rubber-4-kilo-kit-otto-frei.jpg?v=1719956415","url":"https:\/\/www.ottofrei.com\/ja\/products\/castaldo-liquafast-ice-transparent-rtv-silicone-rubber-4kg-kit","provider":"Otto Frei","version":"1.0","type":"link"}