Casting, Elastomers, Silicone, Spraying COPSIL 20 RTV silicone elastomer 20 ShA fluid, translucent & skin contact See Product Compare Quick View Add to Wishlist Product added! View Wishlist View Wishlist Show Information Materials: Elastomers Silicone Type: RTV Application: Custom liners Reactivity: Fast, Normal Ratio: 1:1 Working time at 20°C: Fast: 25 min, Normal: 40 min Demoulding time at 20°C: Fast: 2 h, Normal: 4 h Mix viscosity at 20°C: 6 000 mPa.s Elongation at break: 930 %