Unexpanded perlite /raw perlite?
H.S code:2530102000
Size: 8-12mesh8-14mesh10-16mesh 12-18mesh14-24mesh 12-16mesh,14-24mesh,10-20mesh,16-30mesh,20-40mesh ,as per customer's demands.
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Perlite is a naturally occurring amorphous volcanic glass. Perlite has the unique property of expanding from 4 to 30 times its original size when heated sufficiently. This is known as expanded perlite.
Expanded perlite is lightweight, inert, sterile, inorganic, odorless, incombustible, asbestos-free, non-toxic, rot proof, vermin proof, and pH-neutral. Perlite is an extremely safe and versatile mineral.Used for the filtration, agriculture , horticulture, construction, insulation, etc.
Chemicals:
Composition | Al2O3 | SiO2 | Fe2O3 | CaO | Na2O | K2O | MaO |
Percentage | 12-16 | 68-74 | 0.1-2 | 0.15-1.5 | 4-5 | 1-4 | 0.3 |
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Physical properties
Melting point | 1280-1350?oC | Vickers hardness | 5.5-7 |
PH | 6.5-7.5 | Water soluble | <0.1% |
Acid soluble | <2% | Dioptre | 1.483-1.506 ? |
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Applications:
Cast iron | cast steel ,cast stainless steel ,cast aluminium , cast copper |
Fillter Aid and Filler ? | Be filtering agent,when making wine,drinking, syrup,vinegar etc; Purify various liquid and water,coming up to innoxious to human and animal;Be filler of plastic,rubber, , enamel etc; |
Agriculturral perlite and Horticultural perlite | Reform soil and adjust soil hardened;Prevent plants from falling down and control fertilizer efficiency and fertility;Be diluent and carrier of biocide and herbicide. |
Mechanism, Metallurgy, Hydropower and Light Industry | Be ingredients of heat insulation glass, mineral wool and porcelain products etc. |
?Raw perlite photos:
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Packing: 50kgs/bag ,1MT ,1.2MT,1.25MTS ,1.1MTS? big bags .