Chemical, Bio Chemicals, Chemical Lighting, Polyurethane, 1)all kinds of specifications, also including some non-standard sizes! 2)color: red, blue, yellow, brown, black, green, and others. 3)model: TC, TCY, VC, KC, TB, TA, SC, DC, TBY, HTC, VC, DCY! 4)packing:standard international export packing. 5)sample:available. 6)material: NBR, HNBR, PU, PTFE, VITON, FPM, ACM, FKM, SILICON. 7)all kinds of brands, your required brands will be highly ...