This microsphere is mainly used the surface polish of various metals and
instruments. It uses glass microspheres and sprays the surface with high
temperature and pressure, conducting cloudburst treatment. Not damaging
the surface of work, it cleans and improves the works precision. Also used
in fields such as medical apparatus, nylon, plastic, and rubber in order
to increase the strength and abrasion resistance.

Specifications:
1) B1 diameter: 850-425 um
2) B2 diameter: 425-250 um
3) B3 diameter: 250-180 um
4) B4 diameter: 180-150 um
5) B5 diameter: 100-70 um
6) B6 diameter: under 170 um

Inner packing:
Polyethylene

Outer packing:
Polypropylene, wood plate
1,000kg/bag or 25kg/bag