Different hardness is good for different crafts mold making, generally , it depend on the artcrafts’s
size, pattern design, operation method, if the artcrafts is small and delicate pattern design,
it’s better to Used the low hardness silicone such as 20 shore A, while, it’s large and sample
design, we can use higher Hardness silicone such as 30~40 shore A.
2017-03-24