Grc&Gfrc Molding silicone
1. Description YJS-520 is flexible rubber with hardness Shore A 20, whi...
1. Description YJS-525 is medium hardness silicone with hardness Shore ...
1. Description YJS-530 is with hardness Shore A 30.  It is a kind ...
1. Description YJS-535 is a type of hard silicone with hardness Shore A...
 
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