... out of NBR, CR, EPDM 2.good sealing performance and high/low temperature resistance 3.acidproof,alkali- ... anti-flammability,moisture-proof,sealing(sealing strip for door,window,auto,furniture etc) and earthquake resistance,sound-absorbing ... absorbent. Environmental protection, simple construction, impervious, leakage, and good sealing effect.It also resists to Corrosion,aging,flowing, distortion ...