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Chemical Specification: | ||||||||||||||||
Element | SiO2 | Al2O3 | Fe2O3 | CaO | K2O | Na2O | MgO | H2O | ||||||||
Content% | 68~74 | 10~12 | 0.5~3.6 | 0.7~1.0 | 2~3 | 4~5 | 0.3 | 2.3~6.4 |
Raw Perlite Size and Physics Data: | ||||||||||
Size | Mohs Hardness | Density g/cm3 | Fusion Point | Refractive Index | Expansion Coefficient | |||||
8-200mesh | 5.5~7 | 2.2~2.4 | 1300~1380°C | 1.483~1.506 | 4~25 |
Expand Perlite Size and Physics Data: | ||||||||
Size | Ph | Density g/cm3 | Heat Conductivity | Highest Using Temperature | ||||
1-8mm | 6.5~7 | 0.040~0.08 | 0.0245~0.175W(m.K) | 800℃ |
Physics Specification: | ||||
Item | Closed Cell Perlite | Expanded perlite | ||
Size(mm) | 0.1-1.5 | 1-8 | ||
Bulk density(kg/m3) | 100-200 | 70-250 | ||
Thermal Conductivity(w/m.k) | 0.035-0.047 | 0.047-0.054 | ||
Ball rate(%) | 70-90% | 0 | ||
Closed cell ratio(%) | ≥95 | 0 | ||
Water absorption rate | 50-85 | 360-480 | ||
Compressive strength | 38-46 | 76-83 | ||
Refractoriness(%) | 1280-1360 | 1250-1300 | ||
Operating temperature(℃) | <800 | <750 |
Sizes: | ||||||||
Raw Perlite | 20-30, 20-40, 30-50, 50-70, 70-90, 90-120 mesh | |||||||
Expanded Perlite | 1-3mm, 2-4mm, 3-6mm, 4-8mm, 150mesh, 200mesh, 325mesh or according to your need |
Application : | ||||||||
1.1-3/2-4/3-6mm is widely used in horticulture, urban greening to improve the soil porosity and ventilation, and withhold water and fertilizer. | ||||||||
2.Widely used in oxygen manufacturer and freezer as well as insulating layer in transporting liquid oxygen and hydrogen. | ||||||||
3.Used to filter liquor, oil, medicine, food and dirty water. | ||||||||
4.Used as filling and dilating agent in rubber, painter and plastic, etc. | ||||||||
5.Used as catalyst in explosives. | ||||||||
6.Used to absorb floating oil. | ||||||||
7.Mixed with different adhesive to make templates of different sizes and functions. | ||||||||
8.Used as in large volume as insulating layers in industrial smelting. |