金刚石磨片（背绒，背胶，背钩）
Diamond grinding (back velvet, back glue, back hook)
应用：
湿抛或者干抛，打磨抛光玻璃，陶瓷，工业陶瓷，花岗岩，大理石和混合物。
如果是为了花岗岩的超亮度我们可以推荐另一款我们的产品。
Application:
Wet or dry polishing, grinding and polishing of glass, ceramics, industrial ceramics, granite, marble, and mixture.
If it is for the super brightness of the granite, we can recommend another product.
速度要求：
角速度最大45m/s
线速度3000~3500之间
Speed requirement:
Angular velocity maximum 45m/s
Line speed between 3000~3500
