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Boron Nitride Powder
Boron nitride is a white loose powder with properties similar to graphite, known as “white graphite”. Has good electrical insulation, thermal conductivity, and chemical corrosion resistance; The antioxidant temperature can reach 900 ℃,
It also has good lubricity at high temperatures and is an excellent high-temperature solid lubricant; Has strong neutron absorption ability; Chemically stable, chemically inert to almost all molten metals, capable of withstanding high temperatures up to 2000 ℃. Its molded products have excellent properties that are easy to machine.
1. Basic performance
Boron nitride is a white loose powder with properties similar to graphite, known as “white graphite”. Has good electrical insulation, thermal conductivity, and chemical corrosion resistance; The antioxidant temperature can reach 900 ℃,
It also has good lubricity at high temperatures and is an excellent high-temperature solid lubricant; Has strong neutron absorption ability; Chemically stable, chemically inert to almost all molten metals, capable of withstanding high temperatures up to 2000 ℃. Its molded products have excellent properties that are easy to machine.
2. Technical parameters
| Related Indicators | First – grade Product |
|---|---|
| Appearance | White powder |
| Content of Boron Nitride (BN) | ≥98.5% |
| Boron Oxide (B₂O₃) | ≤0.3% |
| Oxygen (O) | —— |
| Iron (Fe) | ≤0.1% |
| Carbon (C) | —— |
| Mesh 325 Pa | ≥98% |
| Theoretical Density g/cm³ | 2.0 – 2.2 |
| Tap Density g/cm³ | 3.00 – 3.4 |
| Median Particle Size D = 50 μm | 0 – 12 |
| Mohs Hardness | 2 |
| Volume Resistivity at 25℃ Ω.cm | >10¹⁶ |
| Dielectric Constant (108HZ) | 3.5 |
| Breakdown Voltage (kv/mm) | 2.0 – 3.0 |
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