● Introduction
Our company can provide customer PBN coating, and the thickness can be 10 to 500 microns. The coating can protect the graphite matrix effectively.
● Characteristic
1. Strong adhesion, be not easy to fall off.
2. To protect the graphite from corrosion.
3. To prevent the graphite from releasing carbon.
4. Insulation.
● Parameter
| property | unit | value | |
| density | g/cm3 | 2.0-2.19 | |
| microhardness(knoop)(ab side) | N/mm2 | 691.88 | |
| resistivity | Ω·cm | 3.11×1011 | |
| tensile strength（∥C） | N/mm2 | 153.86 | |
| bend strength | ⊥C | N/mm2 | 243.63 |
| ⊥C | N/mm2 | 197.76 | |
| thermo conductivity | W/m·k | “a” direction “c” direction | |
| (200℃) | W/m·k | 60 2.60 | |
| (900℃) | W/m·k | 43.70 2.80 | |
| dielectric strength（at room temperature） | KV/mm | 56 | |
● Application:
It mainly used on the heater, crucible, base etc, which used in the environment of corrosion.
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