Manual Molding Silicone Rubber

b. Model Codes ofManual Molding Silicone Rubber

HY***8# is applicable to make molds of smaller products and the production will be **3 pieces.

HY***0#, compared to other two types, for its moderate hardness and better quality & performance, its production will be ****0 pieces.

HY***0# is applicable to large size products duplications and Electronic equipment antivibration.

c. Operation Instructions for Manual Molding Silicone Rubber

RTV*2 Manual Molding Silicone Rubber is a flowable liquid, and the quality has nothing to do with the color. It consists of two component. Part A is a flowable liquid silicone rubber, part B is the curing agent. Firstly, after your previous work of dealing with the original model, take some liquid silicone rubber , add 2%*3% curing agent of the amount of silicon, and mix them evenly. Then after vacuum-pumping the mixture, you can pour it into the mold frame. The silicone mold will cured in **3 hours.

Note:The time for vacuum-pumping should be less than 3—5 mins ,otherwise, once the silicone rubber has cross-link reaction during vacuumizing, it will not be operated.

FAQ of manual molding silicone rubber –

How to prevent silicone manual molds getting sticky?

The main reason for this problem is that you do not handle the products or original molds well, then you should deal with the original mold or products carefully before molding. Such as for the products with a complicated pattern or a unsmoothed surface, you should polish and clean the products after which it will be molded ,then spray the release agent. Normally, the release agent can be Vaseline , detergent. liquid wax Etc. In practical process, you can bush different release agent according to different material.

The second reason is that the operator pour the silicone into the mold when the mixture is mixed evenly, then the finish silicone mold will not cure and dry entirely.