Liquid Silicone rubber for gypsum molds

Description of platinum cured silicone rubber

platinum cure silicone rubber is a kind of translucent liquid , generally named two-components silicone rubber with mixing in 1:1 .It’s mainly suitable for tire molds making .

 

Advantage of platinum cure silicone rubber for tire mold

1)Non- shrinkage

2)high tensile and tear strength with high copy times

3) exceptional fluidity and good operability (mixing ratio at 1:1 )

4)high temperature resistant in 250 Centigrade

 

Operation instruction of platinum cure silicone rubber for tire mold

Step One:Take 100g of part A and 100g of part B and mix in 1:1 and mix the two part 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 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 platinum cure

8~10months, when stored in a dry & cool place under the room temperature 25.

 

Packing for silicon rubber for platinum cure

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

 



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