... be made of NBR, CR, EPDM 4.sealing,cushion Jiaxing Shunchuang Adhesive Material Co., Ltdhttp://china ... be made of NBR, CR, EPDM 4.sealing,cushionApplication: our sponge strip is widely used in ... doors and windows where there is need of sealing, heat insulation,to protect against sound, smoke, dust, ... made out of NBR, CR, EPDM2.good sealing performance and high/low temperature resistance3.acidproof,alkali ...