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 Chemistry: Silicone Processes: Casting Hardness: Mix viscosity at 20°C: Ratio: 100 / 100 Demoulding time - 20°C: 3h/12h Elongation at break: 300% Working time at 20°C: 9min/20min