Product Name: High Quality of Standard NBR/HNBR/Viton/EPDM/Cr/Silicone Rubber O-Ring Seals Model NO.: ULT-O-Ring-01 Cross-Section Shape: O-Rings Effect: Wiper Seal Application: Machinery, Industrial Component, Electronic Product, Vehicle, Household Appliance Material: NBR/HNBR/EPDM/Viton/Cr/Silicone Standard: As568, BS1516, JIS B2401, DIN3771, ISO36611 Hardness: 30sha to 90sha ID: 3mm to 30 Meters CS: 0.5 mm to 50 mm Color: Black, Red, Blue, Brown, White, or Others Certificates: SGS, FDA, Ce, Ts16949, Reach, RoHS Sample Time: 3 Days to 7 Days Sample Express: DHL, TNT, UPS, FedEx, Amramex, EMS and Sf Price Term: Fob, CIF, CNF and Ex-Work Payment Term: T/T, L/C and Western Union Transportation: by Sea, by Air or by Express Working Temp: -50 to 260