Liquid silicone rubber for gypsum molds

Liquid silicone rubber for gypsum applications 1. Liquid silicone rubber can used for gypsum crafts, gypsum statues , gypsum ceiling rose , gypsum columns , gypsum line , gypsum ceiling board , and all kinds of gypsum decorations . Liquid silicone rubber for gypsum features Liquid silicone rubber is two part silicone with general hardness of 22-50a¡ãafter curing with features ------ (1) high tensile & tear strength (2) high duplication times (3) low linear shrinkage (4) resistance to high-temperature (5) low shrinkage and non-deformation (6)resistance to acid-alkali and expansion Liquid silicone rubber for gypsum operation instructions Step one: take 100g of part a and add 2g of part b and mix the silicone rubber and curing agent evenly. Step two: vacuum pumping Without exception, this step takes less than 10 minutes. Note: the time for vacuum-pumping should be less than 3¡ª5 minutes , otherwise, once the silicone rubber has cross-link reaction during vacuum pumping process, it will not be operated. Step three: pouring the mixture into the frame with original gypsum mold slowly . Shelf life for liquid silicone rubber 10~12months, when stored in a dry & cool place under the room temperature 25. Packing for liquid silicone rubber 1kg/ bottle , 5 kg/drum vacuumed packing, 25kgs/drum vacuumed packing, 200 kg/drum 25kg/drum