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