... .temperature:-40c~+120c 3.material: Epdm,Nbr,Silicone,Fkm,etc. 4.AS568 in Shore A NBR Rubber o-ring:O-Ring is used ... like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc. Can choose on your requirement; 2. Many types of oil seal: TC, TB ... you of the oil seal, O-Ring and rubber gasket: Black, red, yellow, brown, white, green, violet etc, can make it on ...