Casting, Elastomers, Silicone COPSIL 40 RTV silicone elastomer 40 ShA translucent & skin contact See Product Compare Quick View Add to Wishlist Product added! View Wishlist View Wishlist Show Information Materials: Elastomers Silicone Type: RTV Processes: Casting Application: Custom liners Reactivity: Fast, Normal Ratio: 1:1 Working time at 20°C: Fast: 10 min, Normal: 20 min Demoulding time at 20°C: Fast: 3 h, Normal: 12 h Mix viscosity at 20°C: Fast: 55 000 mPa.s, Normal: 45 000 mPa.s