perlite & vermiculite powder
1.name:perlite
2.low price higt quality
3.provide 1kg free sample
4.good after-self service
5.size:4-6mesh,10-20mesh,20-40mesh,40-80mesh,80-100mesh,120-180mesh
1. Physical properties
colour
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Yellow or pinkish red, dark green, grey, brown, brown, black ash, such as color, which is given priority to with gray, shallow ash
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appearance
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Fracture jagged, shells, crack, flake, streaks of white
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hardness
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5.5~7
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Density g/cm3
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2.2~2.4
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refractoriness
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1300~1380°C
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expansion times
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4~25
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2. Chemical properties
SiO2
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68~74
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Al2O3
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±12
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Fe2O3
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0.5~3.6
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CaO
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0.7~1.0
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K2O
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2~3
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Na2O
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4~5
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MgO
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0.3
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H2O
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2.3-6.4
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3. Expanded perlite products quality standards
index
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One kind of material
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Two kind of material
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Three kind of material
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particle size,mm
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f2.5<5%-0.15<8%
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w0.15<8%
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Φ0.15<8%
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Bulk Density, kg/m3
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below
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80~150
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150~250
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4.application
application fields
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main application
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construction industry
Concrete aggregate; Light, heat preservation, heat insulation sound-absorbing board; Fire roofing and lightweight antifreeze
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filtration aid
Make molecular sieves, filters, detergent; Used in wine, making juice, beverage, syrup
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Agriculture, forestry and gardening
Soil reconstruction, Pesticides and herbicides diluent
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Machinery, metallurgy, water and electricity
For all kinds of insulation, thermal insulation glass, mineral wool, ceramic products, such as ingredients
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5.product photo