Description
Where to buy silicone rubber molding material for shoe sole mould
Shoe Sole molding Silicone
1.Description
GC RTV silicone C-825 are good for shoe sole molding products. They are widely used for manual mold making, shoes molds, plaster models, sole sampling, sand casting, etc.
2. Technical Datasheet
Typical general characteristics Inspection Method Value
Product data (Catalyzed A+B) C-820 C-825 C830
Hardness Shore A 20±2 25±2 30±2
Mix Ratio A:B 100:3 100:3 100:3
Color / White White White
Pot life 25 °C (77F) 30-40mins 30-40mins 30-40mins
Curing time 25 °C (77F) 3-4 hours 3-4 hours 3-4 hours
Mixed viscosity mPa.s 16000±1000 20000±1000 23000±1000
Tear-strength kg/cm 20±2 22±2 23±2
Tensile-strength M.pa 3.6±0.5 4.0±0.5 5.0±0.5
Elongation % 400±50 450±50 460±50
Shrinkage % ≤0.3 ≤0.3 ≤0.3