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Specifications
1.perlite/expanded perlite insulation board2.low price higt quality
3.provide 1kg free sample
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Specifications
1.perlite/expanded perlite insulation board
2.low price higt quality
3.provide 1kg free sample
4.good after-self service
perlite/expanded perlite insulation board?
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
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1. Physical properties
colour | Yellow or pinkish red, dark green, grey, brown, brown, black ash, such as color, which is given priority to with gray, shallow ash |
appearance ? | Fracture jagged, shells, crack, flake, streaks of white |
hardness | 5.5~7 |
Density g/cm3 | 2.2~2.4 |
refractoriness | 1300~1380°C |
expansion times | 4~25 |
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2. Chemical properties
SiO2 | 68~74 |
Al2O3 | ±12 |
Fe2O3 | 0.5~3.6 |
CaO | 0.7~1.0 |
K2O | 2~3 |
Na2O | 4~5 |
MgO | 0.3 |
H2O | 2.3-6.4 |
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3. Expanded perlite products quality standards
index ? | One kind of material | Two kind of material | Three kind of material |
particle size,mm | f2.5<5%-0.15<8% | w0.15<8% | Φ0.15<8% |
Bulk Density, kg/m3 | below | 80~150 | 150~250 |
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4.application
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application fields | main application |
construction industry ? Concrete aggregate; Light, heat preservation, heat insulation sound-absorbing board; Fire roofing and lightweight antifreeze | |
filtration aid ? Make molecular sieves, filters, detergent; Used in wine, making juice, beverage, syrup | |
Agriculture, forestry and gardening ? Soil reconstruction, Pesticides and herbicides diluent | |
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
