Material of O-ring NBR/FKM/EPDM/VMQ/PU O rings Material: HNBR, NBR,FKM,VMQ,EPDM,PU Size:All regular sizes;Material: Nbr 30, nbr 70, nbr 90, viton 70, viton 90, epdm, silicone, hnbr, cr, nr and so on; Type: 102pcs, 225pcs, 382pcs, 386pcs, 404pcs, 407pcs, 419pcs and so on;
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