Get your projects done efficiently with this high-strength silicone rubber for mold making. This product set includes a silicone base and an activator. It offers high resistance to tearing and a long library life. It accurately reproduces details so that you can cast polyurethane, epoxies, cement, concrete, and other materials. It also works on soap, beeswax, and plaster. It cures at room temperature on any surface. The demolding time is 16 hours, and it finishes in a green color.