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Quick Details
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Origin:
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China
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Natural Abrasive Type:
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Other
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Artificial Abrasive Type:
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Other
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Application:
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Machinery Metal Parts
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Function:
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Surface Finish
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Source:
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Artificial Abrasives
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Particle Size:
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Abrasive Ultrafine
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Hardness:
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Conventional Abrasive 9.2-9.3
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Mohs Hardness:
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9.2-9.3
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Payment:
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L/C T/T Paypal
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Export Port:
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Tianjin
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Output:
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200 Tons per year
Quick Details
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Mohs Hardness:
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9.2-9.3
Products Descripition
Product Image
Advantage Introduction
Product Index
| Appearance | Black grain or powder |
| Molecular Weight）(g/mol.) | 55.25515 |
| Specific Heat(cal-mol-c) | 12.5 |
| Elastic modulus | 450-470 Gpa |
| Knoop hardness | 2750 kg/mm2 |
| Mohs hardness | 9.3 |
| Micro Hardness | 4950 KGF/mm2 |
| Density | 2.52g/cm |
| Melting point | 2350℃(2623.15K) |
| Boiling point | ＞3500℃(＞3773.15K) |
| conductivity | 140 s/cm |
| thermal conductivity | 30 - 42 W/M·K |
| thermal neutron absorption cross section | 600 barn |
| Solubility in water | Insoluble |
| Crystal structure | Rhombohedral |
| CAS NO. | 12069-32-8 |
| Chemical | Standard Value | Typical Value |
| Total Boron (BT) | 75-80 % | 78.18 % |
| Free Boron(BF) | ≤0.5 % | 0.1 % |
| Boron Oxide（B2O3） | ≤1.0 % | 0.09 % |
| Total Carbon (CT) | 17-21.5% | 19.71 % |
| Free Carbon (CF) | ≤2.0 % | 1.24 % |
| Iron Oxide（Fe2O3） | ≤0.5 % | 0.16 % |
| Boron Carbide（B4C） | 93-97 % | 96.55 % |
| BT+CT | 93-98% | 97.89 % |
Specification
| Grit Size | Mean diameter in um |
| F40 | 438 |
| F46 | 370 |
| F54 | 310 |
| F60 | 260 |
| F70 | 218 |
| F80 | 185 |
| F90 | 154 |
| F100 | 129 |
| F120 | 109 |
| F150 | 82 |
| F180 | 69 |
| F220 | 58 |
| Grit Size | Mean grain size ds50-value in μm |
| F 230 | 53.0 ± 3 |
| F 240 | 44.5 ± 2 |
| F 280 | 36.5 ± 1.5 |
| F 320 | 29.2 ± 1.5 |
| F 360 | 22.8 ± 1.5 |
| F 400 | 17.3 ± 1 |
| F 500 | 12.8 ± 1 |
| F 600 | 9.3 ± 1 |
| F 800 | 6.5 ± 1 |
| F 1000 | 4.5 ± 0.8 |
| F 1200 | 3.0 ± 0.5 |
| F 1500 | 2.0 ± 0.4 |
| F 2000 | 1.2 ± 0.3 |
| Specification | Particle size |
| 100mesh | +150 um ≤10% |
| 200mesh | +75 um≤10% |
| 325mesh | +45 um≤10% |
| 25um-0 | +25 um≤10% |
| 10um-0 | +10 um≤10% |
| 3um-0 | +3 um≤10% |
Usage
Packaging&Shipping
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