外包膠采用聚氨(an)酯材料(liao)，具有超強(qiang)耐(nai)磨(mo)和(he)抗(kang)脫落的特性；產(chan)品尺(chi)寸和(he)軸承(cheng)型號均符(fu)合KONE標(biao)準(zhun)。

The circumjacent adhesive is made of polyurethane, which has super resistance to abrasion and peeling. The dimension and bearing model are matched to KONE standard.