shijiazhuang kedahua imp&exp co.,ltd
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Price: | 41.0~258.0 USD |
Payment Terms: | T/T,L/C,D/P,WU |
Special Groups: |
Vermiculite (15)
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Place of Origin: | Hebei, China (Mainland) |
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Type | Unexpanded golden vermiculite | Expansion ratios | 5.5-10times |
Impurity | 8%-15% | Moisture | 3%max |
Orign | Hebei,China | Asbestos | None |
Size | 0-30um0.3-0.6mm0.65-1mm0.3-1mm0.5-1.5mm0.5-1.2mm1.2-3.5mm1.5-2.5mm1-2mm2-4mm3-6mm3.5-7mm,etc |
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
Melting point | 1320°C-1370°C | Asbestos | None |
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 |