| 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 refractory application. |
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Lead Information |
| Type: | Selling |
| Date Added: | 21st Nov 2011 |
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Contact Details |
| Name: | Chang Hongbo |
| Location: | China |
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