XTL sintyron 99.999% pbn pyrolytic boron nitride vgf crucible

Item Unidade
Apparent Density g/cm³ 2.15-2.19
Gas permeability(He) cm3/s <1*10-10
Micro hardness(Knoop) N/mm2 691.88(a-b plane)
Tensile strength N/mm2 153.86(parallel)
Bending strength N/mm2 243.63(parallel) 197.76(parallel)
Modulus of elasticity N/mm2 235690
Specific heat capacity Cal/g.℃ 0.371(@ 200℃) 0.442(@ 900℃)
Thermal conductivity 200℃ W/cm.k 0.6(parallel) 0.026(perpendicular)
Thermal conductivity 900℃ W/cm.k 0.4370(parallel) 0.028(perpendicular)
Dielectric Strength(RT) KV/mm 56
Volume Resistivity Cm 3.11*1011

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