| Customization: | Available |
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| Condition: | New |
| Certification: | ISO9001 |
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Pumice, with crude appearance,get its name for it can float on the water. It is a natural,ideal,environmental product with the following characteristics:light,high strength,acid and alkali-resistance,corrosion-resistant,no-pollution,no- radioactivity and so on.
physical property| color | hardness | PH | radioactivity | ignition loss | Water materials | Acid materials | Density | softening point | Fusion temperature |
| grey | 5.0 | 7.0 | 0 | 3% | 0.15% | 2.7% | 350-900g/l | 900ºC | 1200ºC |
| SiO2 | AL2O3 | Fe | Fe2O3 | H2O | Na | K | Ca | TiO2 | SO3 |
| 71.5% | 12.5% | 12.5% | 1.5% | 3.4% | 1.6% | 1.8% | 2.8% | 0.2% | 0.1% |
In China it is mainly used in these fields:
1.Building:natural concrete light aggregate. Like heat insulation and preservation materials ,floor,wallboard,active addition and so on.
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