Home > Products > boron carbide > China produce refractory grade 325mesh boron carbide powder
China produce refractory grade 325mesh boron carbide powder
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Product Details
Brand Name: | sicheng | Place of Origin: | China | Model Number: | 325# |
Material: | b4c | Usage: | polishing | Abrasive Grain Sizes: | 325# |
Product Description
China produce refractory grade 325mesh boron carbide powder
Boron Carbide powder B4C is smelted from boric acid and powdered carbon in electric furnace under high temperature. It is one of the hardest man-made materials available in commercial quantities that has a finite melting point low enough to permit its relatively easy fabricationinto shapes. Some of Boron Carbide’s unique properties include: high hardness, chemical inertness, and a high neutron absorbing , cross section
Physical Properties | Appearance | Black powder |
Molecular Weight (g/mol.) | 55.25515 | |
Specific Heat (cal-mol-c) | 12.5 | |
Knoop Hardness | 2750 | |
Mohs Hardness | 9.6 | |
Micro Hardness | 4950kgf/mm2 | |
Density & phase | 2.52 g/cm (Solid) | |
Melting point | 2350 °C (2623.15 K) | |
Boiling point | >3500 °C (>3773.15 K) | |
Solubility In Water | Insoluble | |
Crystal Structure | Rhombohedral | |
Application |
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Boron Carbide B4C
Size-Grit | Approx Size(microns) | B% | C% | Fe2O3 | B+C% |
F60 | 300-250 | 78-81 | 17-22 | 0.2-0.4 | 97-99 |
F80 | 212-180 | 78-81 | 17-22 | 0.2-0.4 | 97-99 |
F100 | 150-125 | 78-81 | 17-22 | 0.2-0.4 | 97-99 |
F120 | 125-106 | 78-80 | 17-22 | 0.2-0.4 | 96-98 |
F150 | 106-75 | 78-80 | 17-22 | 0.2-0.4 | 96-98 |
F180 | 75-63 | 78-80 | 17-22 | 0.2-0.4 | 96-98 |
F230 | 53.0±3.0um | 77-80 | 17-22 | 0.3-0.5 | 96-97 |
F240 | 44.5±2.0um | 77-80 | 17-22 | 0.3-0.5 | 96-97 |
F280 | 36.5±1.5um | 77-80 | 17-22 | 0.3-0.5 | 96-97 |
F320 | 29.2±1.5um | 76-79 | 17-21 | 0.3-0.6 | 95-97 |
F360 | 22.8±1.5um | 76-79 | 17-21 | 0.3-0.6 | 95-97 |
F400 | 17.3±1.0um | 75-79 | 17-21 | 0.4-0.8 | 94-96 |
F500 | 12.8±1.0um | 76-79 | 18-22 | 0.3-0.7 | 94-97 |
F600 | 9.3±1.0um | 74-78 | 17-21 | 0.4-0.9 | 92-94 |
F800 | 6.5±1.0um | 74-78 | 17-21 | 0.4-0.9 | 92-94 |
F1000 | 4.5±0.8um | 75-78 | 18-22 | 0.1-0.8 | 90-94 |
F1200 | 3.0±0.5um | 75-78 | 18-22 | 0.1-0.8 | 90-94 |
F1500 | 2.0±0.4um | 75-78 | 18-22 | 0.1-0.8 | 90-94 |
F2000 | 1.2±0.3um | 75-78 | 18-22 | 0.1-0.8 | 90-94 |
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- henan sicheng abrasives co .,ltd
- Contact nameChen
- Phone86-0371-60900389
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