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3000 Puntos de confianza

24 4th St, Melville,Johannesburg,Gauteng,South Africa

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1st Año


South Africa

8 ~ 20 / Cubic Meter Obtener el precio más reciente


500 Ton

As requested

10 to 20 days

5000 Metric Ton per Month

T/T, L/C, D/A, D/P

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Descripción del producto

Perlite is a naturally occurring volcanic glass containing *0-75 % silicon dioxide SiO2 and 2-5 % water Н20. The water content is a crucial factor for the specific properties of this mineral. The crude perlite rock is expanded by exposure to rapid heating. This expansion process creates lightweight granules which due to their extraordinary properties offer a variety of application possibilities.
1.Chemical Properties:
Composition Al2O3 SiO2 Fe2O3 CaO Na2O MgO MaO
Percentage *2-16% 33.8% 0.6% 0.2% Non 0.02% 0.3%
2.Physical properties:
Item Specification Item Specification
Bulk density **-120kgsm3(as per customers demands) Thermal conductivity 0.*21-0.054 w/m °C
Appearance white color, granular Softening point ****1090 ºC
Melting point *****1350 ºC Vickers hardness 5.5-7
PH 6.5-7.5 Water-soluble <0.1%
Acid soluble <2% Dioptre 1.*83-1.506
3. Size Specifications:
Item Particle Size
Raw Perlite 8-14mesh, *2-16mesh, *2-20mesh, *0-50mesh, *0-70 mesh, etc
Expanded Perlite 1-3mm, 2-4mm, 3-6mm, 4-8mm, 150mesh, 200mesh, 325mesh or according to your need
Perlite Filter Aid GK-110 thick, medium, thin, extra thin
4.Application : 
Building Industry:
Used for making light, thermal insulation, and acoustic board; Be ideal materials of various industrial equipment and pipe insulating layer;
Filter Aid and Filler
Be a filtering agent, when making wine, drinking, syrup, vinegar, etc; Purify various liquids and water, coming up to innoxious to humans and animals; Be filler of plastic, rubber, enamel, etc.
Agriculture and Horticulture
1. soil amendment
2. soilless cultivation base 
3. slow-released agent of pesticide 


Persona de contacto:Ms. Seetseng


Dirección:24 4th St, Melville, Johannesburg, Gauteng,


Ms. Seetseng < AKABA B2B TRADING >
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