e less than 3¡a5 minutes , otherwise, once the silicone rubber has cross-link reaction during vacuum pumping process, it will not be operated.
Step three: pouring the mixture into the frame with original mold slowly .
Shelf life for silicon rubber for mold making
8~10months, when stored in a dry & cool place under the room temperature 25.
Packing for silicon rubber for mold making
20kg/drum for part a+ 20kg/drum for part b in one set
, 200 kg/drum for part a+ 200kg/drum for part b in one set
