I. Introduction

With the development of production technology, more and more people have a better understanding of the blasting glass beads. The most accurate position of blasting glass beads is a material that pushes the abrasive material through the compressive force of air.

In the early days of blasting glass beads, its main abrasive material was sand, so it is called sandblasting. But this material is prone to abrade. Now in the market, shot blasting is the best and most reasonable technology. It can clean the steel surface well. It’s clean and thorough, and the use of the cost is relatively low.

Blasting technology can quickly make the surface of the required cleaning objects more smooth. For some upper coating, it can not be attached to the untreated surface for a long time, so sandblasting is essential. Processed objects can be a good color, and the color effect is relatively pure.

Ⅱ. The characteristics of blasting glass beads

1,Both have soft and hardness --- use high-quality materials to produce. It has a certain degree of mechanical strength (SiO2 content is more than or equal to 68%, the hardness can be 6-7 Mohs), but also has enough flexibility, and you can repeatedly use several times and it doesn’t easily broken.

2,Uniformity is good ---its round rate more than or equal to 85%, uniform size. After spray the sandblasting device throughout maintain the brightness coefficient , not easy to leave the watermark.

3,Irreplaceable - blasting glass beads as a grinding material has the following advantages than any other grinding materials : Except as metal grinding materials, it has a longer use time than any other medium. With non-alkaline sodium calcium glass material, it has good chemical stability. It will not pollute the metal and can speed up the cleaning, while maintaining the original processing accuracy of objects

4,Smooth and no impurities --- the appearance is spherical particle, no impurities, smooth surface, good degree of finish. It can reach international and domestic level.

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