A carefully guarded secret of Italian mold-makers for fifteen years, this silicone-based Liquid is brushed on to enable you to capture incredibly fine detail with molds that are far lighter than anything you can produce now. It is now available in the United States exclusively through The Compleat Sculptor, Inc RESILPOM Liquid is a two-component, room-temperature (RTV), condensation-curing silicone compound. It has a shore A hardness of 25. It has ~ an hour open time to evacuate teh bubbles and a working viscosity of 20000cps. Full cure in 24 hours. Mix RESILPOM Liquid (buff colored) with the regular catalyst (purple) in a 19:1 ratio by weight (95% base to 5% catalyst) which is included.