Size

+20

+40

+60

+100

+200

+325

—325

Sand Content

Iron Content

%

PPM

20 mesh

≤

5

70±5

25±5

≤

10

≤

5

≤

0.5

≤

100

40 mesh

≤

1

55±5

40±5

≤

10

≤

1

≤

400

60 mesh

≤

0.01

≤

1

45±5

45±5

≤15

≤

1.5

≤

800

100 mesh

≤

0.01

≤

1

35±5

35±5

≤

35

≤

1.5

≤

1000

200 mesh

≤

0.01

≤

5

10±5

85

1.5

≤

1000

325 mesh

≤

0.01

≤

0.1

≤

5

95

1.5

≤

1000

Element

SiO2

Al2O3

K2O

Fe2O3

CaO

Na2O

MgO

H2O

Content

%

43~45

20~33

9~11

2~6

0.02~0.77

0.95~1.8

1.3~2

0~0.13

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.