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2 Quart RTV Silicone Mold Making Rubber High Strength Liquid for Molding & Casting RTV Silicone Rubber is specially used for mold making applications where greater dimension stability is required. It has excellent tear strength. It is two component system which cures in 24 hours at 25Â°C. To accelerate curing process, elevated temperature may be used(at 60Â°C for 120 min or 170Â°C for 10 min). It can be used to cast epoxy, polyester, soap, concrete, candies, Polyurethane, cement, fiberglass resin, etc.Uncured PropertiesBase Compound : RTV-AAppearance : Translucent Viscosity (at 23Â°C, mPa.s) : 51500Cure Agent : RTV-B Appearance : Transparent Viscosity (at 23Â°C mPa.s) : 300 Cured Properties (23Â°C, 24 hrs.) Appearance : TranslucentMixing Ration (RTV-A: RTV-B) : 10:1 by weightMixed Viscosity (at 23Â°C, mPa.s) : 26000 Work Time (min at 23Â°C) : 60 Demold Time (hours at 23Â°C) : 6 Hardness (Type-A) : 40 Tensile Strength (MPa/PSI) : 6.5/942Elongation(%) : 450 Tear strength B type (N/mm) : 20