精品无码成人网站久久久久久,日韩内射美女人妻一区二区三区,久久精品国产精品亚洲,无码专区永久免费av网站,国内精品久久久久久不卡影院,亚洲成AV人综合在线观看-99MIAV-J
  • Glass beads for grinding

    Glass beads for grinding

    Product Name : grinding glass beads

    Appearance : colorless, transparent, without obvious bubbles and impurities

    Density : 2.4-2.6g/cm3

    Hardness : 6-7

    Compressive strength : > 1200n

    As the grinding medium and filler in chemical industry, coating, pigment, ink, food, medicine, etc

  • Glass beads for sandblasting

    Glass beads for sandblasting

    Product Name : glass beads for sandblasting

    Appearance : colorless, transparent, without obvious bubbles and impurities

    Density : 2.4-2.6g/cm3

    Hardness : 6-7

    Roundness : ≥ 75%

    Main ingredients : SiO2 > 70%

    Glass beads are used as additive materials for shot peening and industrial activities. They can be used on the surface of mould and metal. The surface is not damaged and the accuracy of workpiece is improved. Such as: metal, plastic, jewelry and other pre

  • Glass beads for sandblasting

    Glass beads for sandblasting

    Product Name : glass beads for sandblasting

    Appearance : colorless, transparent, without obvious bubbles and impurities

    Density : 2.4-2.6g/cm3

    Hardness : 6-7

    Roundness : ≥ 75%

    Main ingredients : SiO2 > 70%

    Glass beads are used as additive materials for shot peening and industrial activities. They can be used on the surface of mould and metal. The surface is not damaged and the accuracy of workpiece is improved. Such as: metal, plastic, jewelry and other pre

  • Glass beads for sandblasting

    Glass beads for sandblasting

    Product Name : glass beads for sandblasting

    Appearance : colorless, transparent, without obvious bubbles and impurities

    Density : 2.4-2.6g/cm3

    Hardness : 6-7

    Roundness : ≥ 75%

    Main ingredients : SiO2 > 70%

    Glass beads are used as additive materials for shot peening and industrial activities. They can be used on the surface of mould and metal. The surface is not damaged and the accuracy of workpiece is improved. Such as: metal, plastic, jewelry and other pre

精品无码成人网站久久久久久,日韩内射美女人妻一区二区三区,久久精品国产精品亚洲,无码专区永久免费av网站,国内精品久久久久久不卡影院,亚洲成AV人综合在线观看-99MIAV-J