Specifications
Construction ,agriculture, steel, beer , smelt, chemical industry and so on. Light weight ,heat preservation, heat insulation.perlite
1. Perlite ore
1) The product is a perlite ore by crushing, screening from the original minerals, our company can produce according to the needs of customers
2) The current specifications are :
8-12mesh ,12-18mesh ,18-20mesh,20-50mesh,30-50mesh,50-70mesh,70-90mesh,90-120mesh and so on.
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2. Chemical composition:
SiO2 % | Al2O3? % | Fe2O3 % | CaO % | K2O % | Na2O % | MgO % | H2O % |
68~74 | ±12 | 0.5~3.6 | 0.7~1.0 | 2~3 | 4~5 | 0.3 | 2.3~6.4 |
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physical properties:??
?Max. application temperature | ?800°C |
Softening temperature | ?870°C |
?Melting temperature | ?1260°C |
?Heat capacity(between 77 and 300K) | ?0.50 J/g K |
?Cellular structure | ?open-cellular |
?Porosity | ?97% by volume |
?Moisture content(in the open air) | ?Up to 0.5% by weight |
?Max. moisture content | ?Up to 900% by weight |
?Density of the perlite ore | ?2200 to 2400 kg/m3 |
Density of the fine-ground perlite ore | ?1200 kg/m3 |
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3. Use:
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1.HorticultureExpanded Perlite: Widely used in agriculture and garden to improve the soils retentionof the water and fertilizer.
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2. Expanded Perlite Sand: Widely used as the insulating layerin in low-temperature container and others low-temperature equipment, for example, the gas jar or gas conduit, Oxygen Produce Machine, Refrigeratory, and the transportation equipment of liquid Oxygen/Hydrogen.
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3. Perlite Filter Aids: Be very popular in the filtering of dirty water, oil, alcohol/beer, beverage, sugar and glucose ect.
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4. Handwash Powder Grade Expanded Perlite:? Used as the main ingredient of the handwash Powder.
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5.Other Expanded Perlite Products:
?? The most wide usage is in construction, as? heat/sound insulating material, light weight material, loose-filling material,? fireproof doors inner stuffing material, or used to produce lightweight/heat insulation bricks ect.
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