... crafts and so on. 2. Features of rtv2 liquid mold making silicone rubber a. low viscosity, exceptional fluidity and easy ... reproduction times 3.Technical datasheet of RTV-2 liquid mold making silicone rubber Appearance: Yellow, red, green, white Viscosity(cp): ... mold for suitable products. for products with delicate and complicated patterns, you are expected to use soft silicone to make molds ...