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Vermicultie powder from China
Color:silver white and golden yellow
Shape:powder
1.Exfoliated vermiculite powder features
Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, lighter.non-asbestos ,Low density etc
2.Exfoliated vermiculite powder size :
20-40mesh40-80mesh 100mesh 200mesh 325mesh 400mesh ect
Special size is supplier as client’s demands
3.Exfoliated vermicultie powder chemicals and physical properties
| Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
| Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
| Origin of golden vermiculite | Hebei,China | Origin of silver vermiculite | Xinjiang,China |
| Melting point | 1320°C-1370°C | Asbestos | None |
| Compressive resistance
| 100-150 Mpa
| Thermal Conductivity
| 0.045 - 0.069w/m °C Under ambient conditions
|
| Hardness | 1-1.5 | PH | 7-11 |
| Solubility | Insolubility (most liquid ) | Combustibility | Non-combustible |
| Reactivity | Non reactive (except in very stong acids) | Corrosion resistance | Alkali-resistant |
4.Exfoliated vermiculite powder applications
20-150 mesh: mainly used for housing insulation materials, domestic refrigeration, sound insulation plaster, piping of safe and kiln lining , retaining heat of boilers.
20-40 mesh: mainly used in automobiles, aircraft, cold storage, wallboard water cooling towers, steel annealing, fire extinguishers, filters and so on.
40-120 mesh: mainly used for oil carpets, roof panels, Dielectric disc.
120-270 mesh: mainly used for wallpaper printing, outdoor advertising, painting, fire prevention card paper for photography soft wood.
325 mesh: golden yellow and bronze, ink cartridges, fire filler.
20-40mesh vermiculite powder
