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 Réactivité: Ratio: Working time at 20°C: Demoulding time at 20°C: Mix viscosity at 20°C: Elongation at break: 930 %