... Used in faucets, toilets, fittings, pipes, showers and other industry accessories, and auto parts Material: silicone,NBR, Viton, HNBR, ... oil resistance, anti-aging, insulation, nontoxic, tasteless, and other requirements Hardness: 30-90 shores A or IRHDProducts series ... advanced CNC machine to cut the mold; compression and injection molding; SH-A and IRHD hardness tester; Rheometer; Projecter etc We ...