Customized clear heat resistance food grade waterproof silicone rubber grommetTemperature RangeMaterialNR, NBR, HNBR, EPDM, ... grommetProperties (Optional and Multiple)Oil Resistance, Chemical Resistance, Steam Resistance, Aging Resistance, Heat Resistance, Cold Resistance, Fire Resistance, Environment Protective, Strong Resilience, Abrasion Resistance, etc.The Rubber Waterproof Grommet ...