Size

Particle Distribution

Fe/

×10^-6

^≤

Sand/ %

^≤

Loose density

/(g/cm3)

^≤

Moisture

/ %

^≤

Whiteness

/ %

^≤

900μm

20mesh

μm

+900

+450

+300

-300

400

1.0

0.36

1.0

45

%

2

65±5

25±5

10

450μm

40 mesh

μm

+450

+300

+150

-150

%

2

45±5

45±5

10

300μm

60mesh

μm

+300

+150

+75

-75

800

1.5

50

%

2

50±5

40±5

10

150μm

100mesh

μm

+150

+75

+45

-45

%

2

40±5

30±5

30

75μm

200

μm

+75

-

400

1.0

0.34

%

2

45μm

325mesh

μm

+45

-

%

2

Size

Residue on sieve /%

Sand/

%

≤

LOI/ %

≤

Loose density

/(g/cm3)

≤

Moisture

/ %

≤

Whiteness

/ %

≥

38μm

400mesh

78μm ≤0.1

38μm ≤10

0.5

5.0

0.25

1.0

70

45μm

325mesh

112μm ≤0.1

45μm ≤10

5.0

1.0

70

75μm

200mesh

150μm ≤0.1

75μm ≤10

0.6

5.0

0.28

1.0

65

90μm

160 mesh

180μm ≤0.1

90μm ≤10

1.0

5.0

0.28

1.0

65

125μm

120 mesh

250μm ≤0.1

125μm ≤10

5.0

0.30

1.0

65

Element

SiO₂

Al₂O₃ 

K₂O

Fe₂O₃

CaO

Na₂O

MgO

H₂O

Content%

44~50

20~33

9~11

2~6

0.02~0.77

0.6~1.8

0.3-2

2-3

It can be used in cosmetic industry.

It is prior filler in paint and coating.

It is applied in protecting layer of welding rods, conducting wires and electric cables.

It is the basic raw material for mica porcelain products.

It can be used as suspended substance in fire-fighting dry powder.

It can be taken as filler, shelter, lubricating substance, a drawing of patterns in plastics,

rubber, asbestos products and sealing materials.

It can also be used as filler in insulating materials of high-frequent electric waves and acid-durable products.

It can be used as coating in models of forecasting metal, the brightening material in aluminum and paint in electroplating.