silicone rubber for carve arts craft mold making

Ms Shirley Zheng

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Why does the silicone rubber mold have few molding times?
The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation. Thus, we should take the proper silicone rubber to make the mold for suitable products. 

Frequently asked questions of moulding silicone rubber

silicone rubber for mold making application:


HY-638 25 & 30 are easy to use silicone rubber compounds that feature convenient one-to-one by volume mix ratios (no scale necessary). Both have very low viscosity for easy mixing and pouring, and vacuum degassing is usually not necessary. Both products cures at room temperature with negligible shrinkage and have good tear strength.

Using instructions of silicone rubber for mold making:
During operate the three impotant thing to pay attention :
  1. weigh theliquid silicone rubber and curing agent exatly .
  2. Stir theliquid silcone rubber and curing agent evenly .
  3.we shouldchoose the right hardness to making diffirent size of product mold.

silicone have very low viscosity for easy mixing and pouring,products cures at room temperature with negligible shrinkage.