Purchase Qty. Reference FOB Price
100-199 Pieces US$15.00
200+ Pieces US$10.00
Product Description
Product Description Grade BN-A BN-AA Chemical structure 99% 99% Density 1.9-2.0 1.55-1.65 Hardness 300-400 200-300 Flexural strength 35 33 RT Resistivity >10^14 >10^14 Thermal conductivity at 20ºC 40 60 Coefficient of thermal expansion -1-2.5 -1-2 Max-temperature ...