Silicone rubber for casting operation instructions

Silicone rubber for casting operation instructions Step One: Take 100g of part A and add 2g of part B and mix the silicone rubber for casting and curing agent evenly.   Step Two: vacuum pumping Without exception, this step takes less than 10 minutes. Note: The time for vacuum-pumping should be less than 3—5 minutes ,otherwise, once the silicone rubber for casting has cross-link reaction during vacuum pumping process, it will not be operated.   Step Three: Pouring the vacuumed silicone mixture into the frame with original mold for casting.