Alumilite RTV silicone rubber is extremely easy to use. This is High Strength HS-3, is very thin, cures to an extremely soft, flexible, tough silicone rubber. Most flexible (softest) rubber, great tear strength. Perfect for making 1 pc.molds with deep undercuts. 10A hardness. Open time 2hrs. Demold in 24 hrs.
Contains rubber and catalyst, cups and stir sticks.