{"product_id":"smooth-on-mold-star-16-fast-platinum-silicone-rubber-fast-cure-mold","title":"Smooth-On Mold Star 16 Fast Platinum Silicone Rubber - Fast-Cure Mold","description":"\u003cp\u003eIn this review of the Smooth-On Mold Star 16 Fast platinum silicone rubber kit, the bottom line is clear: this pint unit is aimed at artists, sculptors, and small-scale fabricators who need a fast-curing, tear-resistant silicone for repeatable molds. The reviewer found it especially useful for projects where a quick turnaround matters, because the material sets rapidly and produces soft but durable molds. For anyone making small to medium casts or prototypes, the combination of low viscosity and low long-term shrinkage makes this kit a practical choice when vacuum degassing is not feasible.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast cure:\u003c\/strong\u003e The formula sets quickly, enabling faster project cycles and minimizing wait time between molding and casting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow viscosity:\u003c\/strong\u003e Easier flow into fine details and undercuts means less trapping of air and simpler pours without constant thinning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo vacuum usually required:\u003c\/strong\u003e Most small-scale applications do not need vacuum degassing, which saves equipment and prep time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-resistant rubber:\u003c\/strong\u003e Molds cure to a soft, strong, and tear-resistant rubber that holds up to repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow long-term shrinkage:\u003c\/strong\u003e Finished molds retain dimensional accuracy over time, useful for repeatable casting runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Smooth-On Mold Star 16 is best for hobbyists, prop makers, and small studio artists who need a reliable, fast-curing silicone for silicone molds used in resin, plaster, or low-temp casting. Its relatively low viscosity and the fact that vacuum degassing is not required make it suitable for makers working in limited workshop setups.\u003c\/p\u003e\n\u003cp\u003eThose doing very large industrial molds, multi-part tooling for heavy production, or projects requiring extended pot life and slow working times may prefer a different grade. Also, anyone unfamiliar with silicone mixing should follow the technical bulletin and perform a small-scale test before committing to a critical piece.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFast cure time lets users complete small projects quickly without long waits.\u003c\/li\u003e\n\u003cli\u003eSoft yet tear-resistant cured rubber extends mold life for multiple casts.\u003c\/li\u003e\n\u003cli\u003eLow viscosity improves detail capture and reduces the need for vacuum degassing.\u003c\/li\u003e\n\u003cli\u003eLow long-term shrinkage preserves part accuracy across runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCures quickly enough that some users may find working time limited for complex pours or multi-part molds.\u003c\/li\u003e\n\u003cli\u003eRequires careful mixing until the mixture shows a uniform color; color streaks indicate incomplete mixing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eSmooth-On Mold Star 16 Fast platinum silicone rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit size\u003c\/td\u003e\n\u003ctd\u003ePint unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCure speed\u003c\/td\u003e\n\u003ctd\u003eFast-curing formulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003eRelatively low viscosity for mold rubbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegassing\u003c\/td\u003e\n\u003ctd\u003eVacuum degassing not required for most applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRubber properties\u003c\/td\u003e\n\u003ctd\u003eSoft, strong, tear-resistant with low long-term shrinkage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMixing note\u003c\/td\u003e\n\u003ctd\u003eMix until uniform color; perform small-scale test per technical bulletin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mold Star 16 Fast is a strong choice for artists and small fabricators who need quick cures and reliable, tear-resistant silicone molds without investing in vacuum equipment. It offers solid value when used for small to medium projects and when mixed carefully to avoid color streaking and premature set-up.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a vacuum chamber to use this silicone?\u003c\/strong\u003e\u003cbr\u003eIn most small-scale applications no vacuum degassing is required thanks to the low viscosity, though delicate detail may still benefit from degassing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow will I know when mixing is complete?\u003c\/strong\u003e\u003cbr\u003eMix until the material reaches a uniform color; any color streaks indicate incomplete mixing and can affect cure and strength.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this for multiple casts?\u003c\/strong\u003e\u003cbr\u003eYes, the cured rubber is soft and tear-resistant, suitable for repeat casts on small to medium projects when handled properly.\u003c\/p\u003e","brand":"Smooth-On","offers":[{"title":"Default Title","offer_id":48638143758555,"sku":"B00ELLRSY0","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71vDg2k50NL._AC_SL1500.jpg?v=1778546018","url":"https:\/\/gearmusthave.com\/products\/smooth-on-mold-star-16-fast-platinum-silicone-rubber-fast-cure-mold","provider":"GearMustHave","version":"1.0","type":"link"}