外(wai)包膠采用聚氨酯材料，具有超強(qiang)耐磨(mo)和(he)(he)抗脫落的特性；產品尺寸和(he)(he)軸承型號(hao)均符合KONE標(biao)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.