Different products may need different hardness of silicone. Common silicone’s hardness is suitable for most products, but there are some industries that need high hardness silicone. So what is the maximum hardness of the silicone?
When the hardness is over 50 shore A, it can be called high hardness silicone. When the hardness is more than 50 shore A, the tear strength of silicone would be weakened, the silicone products would become crisp and easy to be broken off.
Most high hardness silicone is used for leather printing, plant gum, rubber roll, trademark, nursing bottle and so on. The maximum hardness of silicone is 65 shore A, for higher hardness, you need to add a hardening agent yourself.
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