... we have 4 workshops namely plastic injection workshop, sheet metal processing workshop, rubber workshop and mold/tooling workshop under group, MaterialSilicone or ... rubber (NR, SBR, NBR, EPDM, CSM, CR, HNBR, VITON, AFLAS) and ... for some special products, can reach ±3 shore AColor For rubber, usually black, for silicone, can be in any color you ...