Why silicone mold is not acid and aging resistance?

In the process of making silicone molds, we recommend that customers with the best without any silicone oil, if needed, the silicone oil added up to not more than 5% to 10%. As the silicone oil added too much will destroy the molecular weight of silicone mold rubber, so silicone mold is not acid and aging resistance.

2017-08-01