China High Purity 99.99% Pbn Crucible, Find details about China Pyrolytic Boron Nitride Crucibles, Pbn Crucible from High Purity 99.99% Pbn Crucible
Property | Unit | Value | |
Lattice constant | μ m | a:2.504×10-10 c:6.692×10-10 | |
Apparent density | g/cm3 | 2.0-2.19 | |
Microhardness (Knoop) (ab plane) | N/mm2 | 691.88 | |
Volume resistivity | Ω·cm | 3.11×1011 | |
Tensile strength (|| "C") | N/mm2 | 153.86 | |
Bending strength | (|| "C") | N/mm2 | 243.63 |
(⊥"C") | N/mm2 | 197.76 | |
Modulus of elasticity | N/mm2 | 235690 | |
Thermal conductivity | W/m·k | "a"direction "c"direction | |
(200°C) | W/m·k | 60 2.60 | |
(900°C) | W/m·k | 43.70 2.80 | |
Dielectric strength (room temperature) | KV/mm | 56 |