型号:HG52 黑色；硬度：邵A80；填充物：氧化硅，碳化硼；密度：0.46±2；产品切削率高，表面不钝化，适用于硬质玻璃元件、宝石及硬质合金的抛光。

  产品主要规格有：640×640（mm）。产品厚度0.5（mm）~5.0（mm）。

  Type:HG52;black;
  Hardness:Shore A80±2;
  Filler:silicone dioxide and boron carbide;
  Density:0.46±2;
  It is suitable for polishing hard glass elements,jewels and cemented carbide.The product has high removal rate and will be not inactivated.