外包膠采用聚氨(an)酯材料，具有(you)超強耐磨(mo)和(he)抗脫落的特性(xing)；產品尺寸和(he)軸承型號(hao)均符(fu)合KONE標準。

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.