... grommets Material:EPDM Certification:ISO9001/TS16949 water resistance, aging resistance rubber wire grommetsMaterial:EPDMCertification:ISO9001/TS16949water resistance, aging resistance 1.Rubber materials: EPDM, NBR, ... .3.Performance: Meet the gas-resistance, liquid resistance, high and low temperature resistance, anti-aging, corrosion resistance, acoustic and other performance requirements. ...