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★ Fast Drying Casting and Coating Silicone Rubber by Startso World Have you been looking for the unique mold you want in the market? Our 1:1 silicone rubber system provides you. Our silicone rubber goes on in thick pours that self-degassing .Enough working time can help crafter maker stir (1A:1B) slow.Excellent fluidity and transparent can make silicone rubber tint with variety colorants (Pigment and Dye).Everything about our silicone rubber makes it easy to get an alluring clear finish quickly and easily. ★Technical Information Specific Gravity:1.08-1.1 g/cm³ Specific Volume:23.5 cu.in/lb Pot Life:40 Min Cure Time:4~6 Hours Shore Hardness:20A Tensile Strength:1.9 mpa 100% Modulus:56 psi Elongation @ Break:425% Die B Tear Strength:10.7 N/mm Color:Turquoise Mix Ratio By Volume:1A:1B Shrinkage: