| 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. |
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Typical Chemical Analysis (Grit F60) |
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| Total B |
Total C |
Fe2O3 |
SiO2 |
BC |
|
78.00%
|
18.00% |
0.27% |
0.30% |
97.00% |
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| 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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| 60 |
70 |
80 |
90 |
100 |
120 |
150 |
180 |
220 |
240 |
280 |
320 |
360 |
400 |
500 |
600 |
800 |
1000 |
1200 |
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Particle Size Distribution (PSD) |
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| PSD According to ISO, ANSI, FEPA and JIS. |
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| a. 40 x 25kg paper bags on pallet. |
| b. 25kg Iron Drums on pallet. |
| c. According to client’s special requirement. |
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