Mold Star rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star silicones feature relatively low viscosities and vacuum degassing is not required for most applications. Mold Star silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Molds made with Mold Star will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star rubber is heat resistant up to 450F (232C) and is suitable for casting low-temperature melt metal alloys. Note: THI-VEX is NOT compatible with Mold Star rubbers. Note: This product will not work with modeling clays containing sulfur under any circumstances.Guide to Making Silicone Molds from SLA 3D Printed Models PropertiesTechnical Properties Mix Ratio by Weight 100A:96B Mix Ratio by Volume 1A:1B Pot Life 45 minutes Cure Time 6 hours Color Blue Shore Hardness 30A Mixed Viscosity 12,500 cps Shrinkage < .001 in./in. Specific Volume 24.7 cu. in./lb. Specific Gravity 1.12g.cc Useful Temperature (max)< 450F Useful Temperature (min)< -65F Tensile Strength 420 psi 100% Modulus 96 psi Elongation @ Break 339% Die B Tear Strength 88 pli Media VideoDocumentation Technical Bulletin Related ProductsRELATED PRODUCTS: Silc Pig Silicone Pigments Ignite Fluorescent Colorants Ease Release 200 Ease Release 205
