| Melting point | 680 °C |
| Boiling point | 1000 °C |
| density | 1.1 g/mL at 25 °C(lit.) |
| storage temp. | 15-25°C |
| form | Fiber (particle with a lengthto-diameter aspect ratio of 3 to 1 or greater). |
| PH | 9-11 (100g/l, H2O, 20℃)(slurry) |
| Stability: | Stable. |
| EPA Substance Registry System | Glass, oxide, chemicals (65997-17-3) |
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