タイトルまたは説明

Name:diatomite;

CAS:91053-39-3;

Molecular weight:60.08;

Main ingredients: mainly SiO2, containing a small amount of Al2O3, Fe2O3, CaO, MgO, and organic matter;

Density:1.9—2.3g/cm3;

Specific surface area:40—65m/g;

Pore volume:0.45—0.98m;

Water absorption is 2 - 4 times the volume of its own;

Melting point:1650C—1750C;

A special porous structure can be observed under an electron microscope;

Color: white, gray white, gray and grayish brown etc;

Features: fine, loose, light weight, porous, strong absorbency and permeability. The silicon dioxide of diatomite is mostly amorphous, and the content of soluble silica in alkali is 50~80%.

Application:

1. Thermal insulation materials, filter materials, fillers, abrasive materials, water glass materials, decolorant and diatomite filter aid, catalyst carrier and so on;

2. Pesticides:wet powder, dryland herbicides, herbicides in paddy fields, and various biological pesticides;

3. Rubber industry:filler;

4. Building insulation:heat preservation, heat insulation, sound insulation;

5. Cement, plastic, paper industry, paint and paint industry, polishing and friction industry, leather artificial leather, sewage treatment.