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Description
It is smelted from boric acid and powdered carbon in electric furnace at high temperature. With the high hardness at 4950kg/cm2, it is suitable for a variety of application.
| Physical Properties |
| Color | Black |
| Shape | Blocky, angular and edge sharp |
| True Specific Gravity |
2.52 g/cm3 |
| Hardness |
Knoop 3000, Mohs 9.36 |
| Melting Temperature |
2450 ℃ |
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Boron сarbide
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