... ,Steatile Colour:white,Ivory,pink,dark.white glazed ISO9001 These ceramic/porcelain Insulator used in many equipments for dielectric .Al2O3 Technical Parameters:PorpertyUintSlimMaterial ... StrengthkV/mm20Open Porosity%0Dielectric Constantεr10Dielectric Loss Angletanδ0.001 Ceramic/porcelain Insulator for welding machinesMaterial:95%Al2O3,SteatileColour:white,Ivory,pink,dark ...