... -resisting 3.can be made of NBR, CR, EPDM 4.sealing,cushion Application: our sponge strip is widely used in auto ... industries or you can use it in doors and windows wherethere is need of sealing, heat insulation,to protect against sound, smoke ... be made out of NBR, CR, EPDM 2.good sealing performance and high/low temperature resistance 3.acidproof,alkali-resisting,high/low ...