Usage: Mold making, design for mobile shell and models,superior manual mold design,etc. Description: HY-988 is a kind of addition cure high temperature resistance organic molding silicone rubber.It liquid with moderate viscosity and can be poured and brushed.The mold made out of the silicone and curing agent,which with high temperature up to 250-300?has dimension stability,low linear shrinkage.It a two-component material with mixing ratio of 10:1,and it used for soft mold making,etc. Features: Silicone rubber will not release low molecule under the condition of crosslinking,so the volume will not vary,linear shrinkage will less than 0.1%;it does not subject to the thickness of the products, and can be cured deeply;it with high tensile and tear strength and anti-yellowy under high temperature of 200?