Silicone rubber based and curing agent is in 1 set. Curing under room temperature, curing time is about 3 hours or more depending on your room temperature. For demolding, it is better over night for safe. It can be used in mold casting for resin, mold making, sculpture, statues, toys, souviner, pewter, candles and soaps. In detail, please do not hesitate to contact us.