91传媒久久久蜜桃-亚洲精品日韩精品-欧美日韩亚洲三区-亚洲欧美日本免费-亚洲女人自慰精品久久久自慰-亚洲产国偷V产偷√自拍网址,国产精品成人99久久久久_国产午夜无码片免费_四虎精品影库4HUTV四虎_国产激情久久久久影院 ,性少妇VIDEOSEXFREEXXXX片/小少妇BBBBBBBBBBBB/四川少妇BBW搡BBBB槡BBBB/四川少妇搡BBW搡BBBB/嫩BBB槡BBBB槡BBBB/特级BBBBBBBBB成人片/另类老妇奶性生BBwBBw/女BBBB槡BBBB槡BBBB ,高清欧美性猛交XXXX黑人猛交,欧美乱妇日本无乱码特黄大片,中文亚洲äv片在线观看不卡,欧产日产国产水蜜桃,欧美与黑人午夜性猛交久久久,亚洲äV无码久久精品色欲

Glass beads for sandblasting

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

  • 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 for sandblasting

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 precision casting cleaning and polishing, commonly used at home and abroad.

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%


We can produce different sizes of glass beads according to the customer's standard. Here are some examples for reference

710-425 μ m 425-250 μ m 250-150 μ m 150-100 μ m 100-75 μ m, etc


青河县| 湘潭市| 西盟| 文水县| 德庆县| 台州市| 车险| 朝阳县| 阿拉尔市| 大宁县| 北票市| 江永县| 北流市| 临朐县| 海口市| 恩平市| 洞头县| 师宗县| 翼城县| 同心县| 巫溪县| 阜宁县| 兴国县| 静宁县| 镇原县| 铅山县| 巢湖市| 和静县| 如东县| 盐边县| 贵德县| 砀山县| 开阳县| 阳江市| 英超| 平武县| 伊通| 郸城县| 舞钢市| 区。| 平泉县|