Customized silicone sealing/o-ring/washer Pantone color available Non-toxic material OEM design accept Customized silicone sealing/o-ring/washer 1. Material:including SBR ,NBR,IIR,CR,EPDM,VITON,TPR,and so on. Our silicone material.has recached the US FAD food standard and EU SGS standard. 2. Features:High and low temperature resistance,wear resistance,high and low pressure resistance,oil ...