Ceramic PCB Materials Properties:

ItemUnitValueTest Standard
Color/Gray3.2
Densityg/cm³≥ 3.33GB/T 2413
Thermal Conductivity20℃, W/(m · K)≥ 170GB/T 5598
Dielectric Constant1MHz8~10GB/T 5594.4
Dielectric StrengthKV/mm≥ 17GB/T 5593
Flexural StrengthMpa≥ 450GB/T 5593
CamberLength‰≤2‰
Surface Roughness Raµ m0.3~0.6GB/T 6062
Water Absorption%0GB/T 3299—1996
Volume Resistivity20℃, Ω .cm≥ 10¹³GB/T 5594.5
Thermal Expansion10-6 mm      20~300℃2~3GB/T 5593

 

FX PCB use the ceramic material imported from Germany and Fujian Huaqing, all incoming material will be strictly checked for the material properties. See the capability of FX PCB for the Ceramic.