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Product:
Diatomaceous Earth, Calcined
Formula:
O2Si
CAS No.:
91053-39-3
Product No.:
SP1132
Package:
25Kg/Drum or in terms of customer's requirements.

Specification

ITEM

SPECIFICATION

RESULT

Water(%)

W3.0

0.05

permeability

4.6-6

5.43

Tap density(ginl)

<0.53

0.44

Size (mesh)

150

150

Water soluble matter (%)

W0.8

0.43

Hydrochloric acid soluble matter (%)

W3

0.48

Pb(mg/kg)

W4

0.80

As(mg/kg)

W5

0.94

PH

8.0-11.0

9,5

SIO2 (%)

5=85.0

88.6

Non silicon material

W25

12.48

Loss on ignition (%)

W0.5

0.13

 

Applications and Usages

In purified form, diatomaceous earth is used for powders and as an abrasive agent in peeling formulations. If improperly formulated, it may be too abrasive as a peeling agent. Diatomaceous earth is a fine-grain, almost white powder consisting mostly of amorphous silicic that is obtained by crushing the silicic acid structures of mono-cellular sea algae.