Rubber cover Materials:NBR,NR,FPM,EPDM Specifications:non-standarded price:depends on the material and the design Rubber coverMaterials: NBR, NR, FPM, MVQ, EPDMCharacteristics ... :ozone-resistant, high/low temperature-resistant, wearing-resistant, oil-resistant, voltage-resistant,ectSpecifications: not standarded, OEM ...