RC721简介Basic Specifications宽度/Width:1420mm 基材/Backing Material:混纺布/Blended Fabric磨料/Grain:碳化硅/Silicon Carbide粘结剂/Bonder:底胶树脂——复胶树脂/Resin over Resin粒度/Grit:P120-2000植砂状态/Coating State:密植砂/Closed Coat特点Characteristics★耐磨,防滑; Wear resistance and skid resistance;★磨削效率高,切削性能好; High grinding efficiency. good cutting performance;★干磨,轮廓砂磨。Dry grinding and contour sanding.适用范围Application铜合金/Copper Alloys 玻璃/Glass 有色金属/Non-ferrous Metal