Silver raw vermiculite
1.Appearance:silver-grey color ,flakes or particles
2.Origin:Xinjiang,China
3.Expansion ratios:7-11times
4.Asbestos:nonw
5.Our vermiculite product:golden vermicultie ,silver vermicultie ,raw vermiculite ,exfoliated
vermiculite ,vermiculite powder ,vermiculite board .
6.Silver raw vermiculite size:0.3-1mm1-2mm2-4mm3-6mm4-8mm
7.Chemicals and physical properties
| Element | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | H2O | PH |
| Content(%) | 37-43 | 11-23 | 9-17 | 3.5-13 | 1-2 | 5.5-7 | 5-11 | 7-11 |
Melting point | 1320°C-1370°C | Asbestos | None |
Origin | Xinjiang,China | 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 |
