... 2.acidproof,alkali-resisting 3.can be made of NBR, CR, EPDM 4.sealing,cushion Jiaxing Shunchuang Adhesive Material Co., Ltdhttp://china ... use it in doors and windows where there is need of sealing, heat insulation,to protect against sound, smoke, dust, etc. Features ... :1.can be made out of NBR, CR, EPDM2.good sealing performance and high/low temperature resistance3.acidproof,alkali ...