1. Quick shipment. 2. Large stock quantity. 3. Heat-proof graphite o-ring. 4. AS568, BS, JIS, metric sizes all available. Description of Aging-proof Graphite O-ring Conform to ROHS:1. Materials: can be NR graphite o-ring, HNBR, Buna, FVMQ, MVQ, ACM, FLS, CR, SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO, CSM, VITON, FKM, FPM, etc.2. Characteristics: good physical and chemical properties ...