Grade

Sieve size (mesh)

Typical uses

Coarse flakes

6

Oil well drilling, artificial snow

Mid-coarse flakes

10

Christmas ornaments, display material

Fine-coarse flakes

16

Concrete block fillers, refractory bricks, gypsum wallboards

Coarse-fine powder

30

Metal annealing, absorbent in explosives, disinfectants, automotive components

Mid-fine powder

60

Welding electrodes, cables, foundry works, pipeline enamels, lubricants, adhesives

Fine powder

100

Texture paints, acoustical plaster, ceiling tiles

Superfine powder

325

Paints, plastics, ruber products, paper, cosmetics