... Rubber Manual Molding Silicone Rubber is mainly u, sed for model design of manual mold, PVC plastic molds, cement products, low ... molds, pad printing allocation, Electronic equipment ant vibration, etc. b. Model Codes of Manual Molding Silicone Rubber HY-528# is applicable ... . Firstly, after your previous work of dealing with the original model, take some liquid silicone rubber , add 2%-3% curing ...