... NonstandardB) Different sizes and structure availableHardness: 30 to 80 Shore A DurometerColors: Black, Transparent. Custom colors available.Material Temperature ... EPDM, IIR, CR, SILICONE, VITONHardness 20~90 Shore APacking Inner-Plastic Bag; Outer -Standard Carton Box. ... , power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment ...