... color:OEM Density:40-85KG/M3 Width:1m 1.2m NBR has excellent flexibility, tensile strength, elongation, abrasion resistance, ... technology and the continuous automatic lines , using the outstanding NBR as the main raw material .it can be widely ... air conditioning, auto air-conditioning, refrigeration units, such as pipe insulation, central air conditioning, home air conditioning, auto air-conditioning ...