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perlite ore
1. Production Introduction Fire door core,this door material is consisting of expanded perlite and inorganic glue. The burning behaviour of this product is classified as A1, non-combustible rate, in accordance with GB 8624-2006, classification on burning behaviour for building materials. Smoke behaviour is classified as non-toxic AQ1(safe rate) in acordance with GB/T 20285-2006.It is non hazardous, light, easy to install, fireproof ,heat insulation and preservation. Mainly used as core of wooden fire door and steel fire door. We also can produce fireproof board with pattern according to the model our customers provide.2. Perlite specification
| Item | Specification | Item | Specification |
| SiO2 | 68-74 | ph | 6.5-7.5 |
| Al2O3 | 12-16 | Specific gravity | 2.2-2.4g/cc |
| Fe2O3 | 0.1-2 | Bulk density | 80-120kgs/m3 |
| CaO | 0.15-1.5 | Softening point | 871-1093°C |
| Na2O | 4-5 | Fusion point | 1280-1350°C |
| K2O | 1-4 | Specific heat | 387J/kg.K |
| MgO | 0.3 | Liquid solubility | <1% |
| Loss in burning | 4-8 | Acid solubility | <2% |
| Color | White | ||
| Refractive index | 1.5 | ||
| Free moisture content | 0.5%max |
3. Size :
Perlite Sand, Unexpanded Perlite: 12-16mesh, 14-20mesh, 16-32mesh, 20-40mesh, 30mesh-50mesh, 50-150mesh, 200-325mesh
Expanded Perlite: 60mesh, 100mesh, 120mesh, 150mesh, 0.1-1mm, 1-2mm, 2-4mm
Horticultural Perlite: 1-2mm, 2-4mm, 1-4mm ,3-5mm.4-8mm
4.usage :
It can be used in oxygen manufacturer and freezer as well as insulating layer in transporting liquid oxygen and hydrogen.
It can be sused to filter liquor,oil,medicine,food and dirty water.
It can be used as filling and dilating agent in rubber,painter and plastice,etc.
It can be used as catalyst in explosives.
It can be used to absorb floating oil.
It canbe used in agriculture and gardening to improve the soil and withhold water and fertilizer.
It can be mixed with different benders to make templets of different sizes and functions.
It can be used as in large volume as insulating layers in industrial smelting furnaces and walls and floors of architectures.
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perlite ore