前言：紧固件,防火阻燃等级HB,冲击性能好
POM共聚+PUR 德国巴斯夫 Ultraform N 2640 Z4 紧固件 防火阻燃等级HB 冲击性能好
弹性体改性注射成型等级，对夹子、卡扣和紧固件以及承受冲击应力的部件具有高冲击强度。
Elastomer-modified injection molding grade with high impact strength for clips, snap and fastenina elements, and also for components subiect to impact stress.
