OE No.:XIAYIGTH50Y4 Min Order:2000 Piece/Pieces order Summary:good tensile strength and low Coefficient for PTFE rings hardness of PTFE is 61 density is 2.06-2.19g/cm3
OE No.:D501XD476X13 Min Order:2000 Piece/Pieces order Summary:good tensile strength and low Coefficient for PTFE rings hardness of PTFE is 60+/-1 density is 2.06-2.19g/cm3
OE No.:119x12x12 Min Order:5000 Piece/Pieces order Summary:Good seal piston ring used together with sinter parts filler can be carbon glass fiber and others