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Perlite(gradening grade)
The material comes from volcanic lava.It is a kind of amorphous,glassiness volcano that contains cystalline water inside.For expanded perlite has low density and low heat conductivity characters,it is widely used in construction and manufacturing fields,lightweight plasters and mortars,insulation,ceiling tiles and filter aids.In horticulture,it makes composts more open to air,while having good water-retention capacity.It is good carrier for soilless plant.Since last few years,expanded perlite is more and more popular in cryogenic use.
Horticultural Applications
In horticultural applications,perlite is used throughout the world as a componet of soilless growing mixed where it provides aeration and optimum moisture retention for superior plant growth.Other horticultural applications for perlite are as a carrier for fertilizer,herbicudes and pesticides and for peletizing seed.
Features
| Through being expanded,perlite is light,multi-fnctional,new materials. |
| It has light apparent density,low thermal conductivity,fine chemical stability and wide use temperature range. |
| It is non-toxic,flavorless,fireproof,acoustic etc. |
| It is widely used in many industries. |
Size
| Item | Particle Size |
| Raw Perlite | 12-16,14-20,16-32,20-40,30-50,50-150,200-325mesh |
| Expanded Perlite | 0.05-1,0.06-2.5,0.1-1,1-2,1-3,1-4,2-4,3-5mm,>40 micron |
| Perlite Filter Aid | GK-110 thick,medium,thin,extra thin |
| Closed Cell Perlite | |
Chemical Analysis
| SiO2 | Al2O3 | Na2O | K2O | MgO | CaO | Fe2O3 | Loss on ignition(chemical/combined water) |
| 70-75% | 12-15% | 3-4% | 3-5% | 0.2-0.7% | 0.5-1.5% | 0.5-2% | 3-5% |
Application:
Building Industry: Produce light,thermal insulation and acoustic board,Be ideal materials of various industrial equipment and pile insulating layer.
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.
Agriculture and Horticulture: 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.
Other Aspect: Be packing materials of exquisite products and pollution products;Be abradant material of gem,colourful stone,glass products,Be density regulator of explosive,treating-agent of sewage.
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