Professional Custom Lamp Holder Accessories Manufacturer

Talc porcelain lamp holders main ingredient MgO SiO2 density g/cm32.8 material properties Water absorption% 0 sintering temperature ℃ 1350 Physical Properties Hardness HV800 flexural strength Kgf/cm2900 compressive Kgf/cm24000 maximum temperature fracture toughness Map.m3/2- ℃ 1100 thermal characteristics Thermal expansion coefficient / ℃ 6 * 10-6 thermal shock force T (℃) 200 thermal conductivity W / mk (25-300 ℃) 2.5 - 200C> 1012 volume resistivity 1000C>. cm1010-1012 electrical Characteristics 3000C5 * 108 permittivity dielectric breakdown strength KV/mm10 100MHz (E) 5.8