Abrasive is a sharp, hard material, relatively soft material to the grinding surface. There are natural and artificial abrasive abrasive abrasive two categories. Classification according to the hardness of range of abrasives, from softer household detergents, abrasive gem diamond to the hardest material
2014年5月20日星期二
Modern glass beads
Glass bead jewelry is a common accessory, widely used in clothing, evening dresses, shoes, hats, handbags, hair, wool textiles, beaded, lighting, handicrafts, etc.
With the state-controlled natural gas, a direct result of rising costs of production of glass beads, glass beads manufacturers Daqing dwindling, however, some of the star Yongqing glass beads enterprises CBN abrasive grit gradually transforming ideas, using coke instead of natural gas, it will not only reduce the firing of glass Beads of cost, it can re-use resources, greatly improving energy efficiency, but also played a role in environmental protection.
Reflective glass beads into ordinary high refractive index glass beads and glass beads. Ordinary glass beads for road paint mainly the refractive index of 1.5 or greater
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