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| Place of Origin: | Hebei China (Mainland) |
|---|---|
| Brand Name: | chuangsen |
| Model Number: | Expanded Perlite |
| Size: | 0-8mm |
| Type: | Expanded Perlite |
| Application: | foundry ,horticulture,filter ,agrilculture ,construction ,insulation |
| SiO2 Content (%): | 68-74% |
| Fe2O3 Content (%): | 0.1-2% |
| Al2O3 Content (%): | 12-16% |
| MgO Content (%): | 0.3% |
| CaO Content (%): | 0.15-1.5% |
| K2O Content (%): | 1-4% |
| Na2O Content (%): | 4-5% |
| Loss On Ignition: | 4-8 |
| Expanded Or Not: | Expanded |
| color: | gray |
| PH: | 6.5-7.5 |
| Specific Gravity: | 0.32 |
| Bulk Denisty: | 50-400 kg/m3 |
| Grain Size: | 20-80mesh |
| Softening Point: | 871-1093 °C |
| Specifi Heat: | 837 J/ kg k |
| Refractive Index: | 1.5 |
unexpanded perlite/high quality pearlite/0.3-0.5mm
