... 3. Heat resistance 4. Low shrinkage a. Applications of Manual Molding Silicone Rubber Manual Molding Silicone Rubber is mainly u, sed for ... model design of manual mold, PVC plastic molds, cement products, low melting point ... allocation, Electronic equipment ant vibration, etc. b. Model Codes of Manual Molding Silicone Rubber HY-528# is applicable to make molds ...