DKBI型铁壳往复运动用防尘密封件材料：聚氨酯橡胶内径d*外径D*小高t*大高HDKBI20*32*6/9DKBI25*37*6/9DKBI30*42*6/9DKBI32*44*7/10DKBI34*46*7/10DKBI35*47*7/10DKBI38*50*7/10DKBI40*52*7/10DKBI45*57*7/10DKBI50*62*7/10DKBI55*69*8/11DKBI60*74*8/11DKBI65*79*8/11DKBI70*84*8/11DKBI75*89*8/11DKBI80*94*8/12DKBI85*99*8/11DKBI90*104*8/11DKBI95*109*8/11DKBI100*114*8/11DKBI105*121*9/12DKBI110*126*9/12DKBI115*131*9/12DKBI120*136*9/12DKBI130*146*9/12DKBI140*160*10/14)