silicone rubber for make Ceramic tile mold, pouring silicone molds

The necessary materials and brief introduction of pouring silicone molds.
a.The ratio of the silicone rubber, silicone oil and curing agent is 100:2-4%. (silicone oil is not neessary)
b.The clay used for fastenning the original model.
c.Using the release agent such as soap water or detergent to demold the product.
The process
a.Using the clay to fasten the orginal model.
b.Spraying or brushing the release agent onto the model.
c.Mixing the part A and part B according to the ratio and pouring it into the model.