Electrical Insulator Hot Pressed Boron Nitride BN Ceramic Rod
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- Supplier: Xiamen Mascera Technology Co. Ltd.
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Product Overview
Description
Manufacturing capability
| Tolerance for linear dimensions: | ±0.002mm at best | Straightness: | 0.02mm at best | |
| Tolerance for angular dimensions: | ±0°10' at best | Minimum hole diameter: | 0.5mm | |
| Surface roughness: | Ra0.05μm at best | Minimum internal thread: | M2 | |
| Concentricity: | 0.02mm at best | Maximum external thread: | M20 | |
| Cylindricity: | 0.02mm at best | Available thread type: | Metric, UNC/UNF, BSW | |
| Flatness: | 0.02mm at best | Available surface finish: | as fired, grinding, lapping, polishing, metallization, glazed | |
| Parallelism: | 0.02mm at best |
PRODUCT DESCRIPTION
Product Name | Electrical Insulator Hot Pressed Boron Nitride BN Ceramic Rod | |
Material | Boron Nitride | |
Color | Light Grey/Dark Grey/White | |
Usage | Electrical Insulator | |
Available Max. Size | 420mm (length or width) | |
Surface roughness | fine grinding | |
Hot Pressed Boron Nitride (HPBN) Ceramic is one of industrial ceramic materials, its hardness and mechanical strength is not as high as alumina or zirconia ceramics, the soft hardness and good machinability enables this material to produce complicated shapes. Boron nitride ceramic has excellent inertness to most molten metals and good thermal shock resistance, so it is very suitable to use in metallurgical applications. The good electrical insulation also makes it a good option for electrical applications.
Mascera is a reputable supplier for hot pressed boron nitride ceramic, we have developped several grades of materail for different property requirement. Welcome to contact us when you have demand, we will do our best to match your demands.
| Material Type | BN-997 | BN-99 | BN-A | BN-B | BN-C | BN-D | BN-E |
| Main Content | BN>99.7% | BN>99% | BN+AL+SI | BN+ZR+AL | BN+SIC | BN+ZRO2 | BN+AlN |
| Color | White | White | Light Grey | Light Grey | Grey Green | Dark Grey | Grey Green |
| Density (G/Cm3) | 1.6 | 1.95-2.0 | 2.2-2.3 | 2.25-2.35 | 2.4-2.5 | 2.8-2.9 | 2.8-2.9 |
| Flexural Strength (Mpa) | 18 | 30 | 65 | 65 | 80 | 90 | 90 |
| Compressive Strength (Mpa) | 45 | 85 | 145 | 145 | 175 | 220 | 220 |
| Electrical Resistivity (Ω.Cm) | >1014 | >1014 | >1013 | >1013 | >1012 | >1012 | >1013 |
| Max. Service Temp. (℃) @Air Condition | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
| Max. Service Temp. (℃) @Vacuum Condition | 1800 | 1800 | 1750 | 1750 | 1800 | 1800 | 1750 |
| Max. Service Temp. (℃) @Inert Gas Condition | 2100 | 2100 | 1750 | 1750 | 1800 | 1800 | 1750 |
| Thermal Conductivity (W/Mk) | 35 | 40 | 35 | 35 | 45 | 30 | 85 |
| Thermal Expansion Coefficient (25 - 1000℃) (10-6/K) | 1.5 | 1.8 | 2 | 2 | 2.8 | 3.5 | 2.8 |
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