Main consumptions of processed perlite include in construction materials as precast materials, construction ordinary plasters, filler insulators, sound Insulator bricks and …, in industrial consumptions, heating insulators, fireproofs, expanded materials, absorpents, precast products, drilling mud, aid filters, in chemical industry to production and filtration of sugar, pharmacy, drinks, water purify and finally, in agriculture as fertility criterion, pesticide, herbicide and animal food. Although, the perlite consumptions are mainly in expanded state, but, sometimes crude perlite is used in foundry industries, grinders, decorative rocks and as source of silica related to its physical and chemical properties.
Perlite
Perlite
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Chemical Analysis
LOI | K2O | Cao | Fe2O3 | Al2O3 | Sio2 | Na2O |
---|---|---|---|---|---|---|
1.3-3.0% | 2.5 -5.0% | 0.5 -2.0% | 0.5 -2.0% | 10 -14% | 72 -76% | 2.5 -5.0% |