Products

The physical ,chemical indexes of coating products of diatomite

Items

Type

Roasted   material

Filter-aid roasted material

Appearance

pink

white

Lividity white

Gray-white

Powder,silicon framework with special pores

PH (10%water starch)       

6.5-8.0

8.5-10.5

Humid density g/ml       ≤

0.44

0.45

0.46

0.70

0.80

0.90

0.42

0.44

0.46

Substantial density g/ml    

2.1-2.3

Average diameter of particles (μm)

5-8

4-6

2-4

8-10

5-8

2-5

8-13

5.5-9.0

2.5-5.5

             Moisture(%)         ≤

2.5

2.0

SiO₂  (%)     ≥

85

88

85

85

 Lead  (calculated by Pb) mg/kg≤

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4.0

Arsenic (calculated by As) mg/kg≤

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5.0