Ceramic/porcelain Insulator for welding machines Material:95%Al2O3,Steatile Colour:white,Ivory ... ISO9001 These ceramic/porcelain Insulator used in many equipments for dielectric .Al2O3 Technical Parameters:PorpertyUintSlimMaterial Al2O3 96%Colour ... Constantεr10Dielectric Loss Angletanδ0.001 Ceramic/porcelain Insulator for welding machinesMaterial:95%Al2O3,SteatileColour:white,Ivory,pink,dark.white ...