Industrial Grade Diatomite

2015-10-30 11:28:18

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Industrial grade silicon algae

The earth is a kind of silica rock; it is a kind of biological origin, which is composed of the remains of diatoms. Containing a large number of Al2O3 and a small amount of SiO2, Fe2O3 and organic impurities, there are fine, loose, light, porous, water absorption and permeability of the nature, industrial applications in insulation materials, filtration materials, coatings, fillers, abrasive materials, water glass, and diatomite filter agent, catalyst carrier, etc..

Chemical composition:

Material composition






Content ratio






Two, physical and chemical composition:

Grain size



Specific surface area


Bulk density


Melting point


Pore volume


Water absorption rate


Three, the main purpose of diatomite:

Coatings; has the characteristics of high porosity, strong absorption, chemical stability, abrasion resistance and heat resistance, can provide coatings with excellent surface properties, compatibilization, thickening and improve adhesion. Because it has a large pore volume, it can shorten the drying time. Can also reduce the amount of resin, reduce costs. Has been the international large paint manufacturers as the designated products, widely used in water diatom mud.

2 diatomite should be used as additives in cement production cement with 5% diatomite can improve the strength of ZMP, SiO2, cement, can be used as a rescue cement.

3. The paper industry; diatomite has excellent extensibility, high impact strength, tensile strength, tear strength, soft light inside the mill good and compressive strength etc. can be used for office paper, industrial paper, etc. various kinds of paper.

4 humidity; diatomite on super fine pores can automatically absorb moisture in the air, storing it. If the decreasing of indoor air moisture and humidity, diatomite wall material to release that is stored in the ultra micro pore water.

5. Building insulation industry; roof insulation layer, heat preservation brick, calcium silicate insulation materials, porous briquette furnace, noise insulation fireproof decorative plate insulation, heat insulation, sound insulation building materials, wall insulation decorative board, floor tiles, ceramic products.

6. Rubber industry; vehicle tire, rubber hose, V-belt, rubber roller, conveying belt, car mats of various rubber products such as filler.

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