... :white,Ivory,pink,dark.white glazed ISO9001 These ceramic/porcelain Insulator used in many equipments for dielectric ... Porosity%0Dielectric Constantεr10Dielectric Loss Angletanδ0.001 Ceramic/porcelain Insulator for welding machinesMaterial:95%Al2O3,SteatileColour: ... white,Ivory,pink,dark.white glazedISO9001 Ceramic/porcelain Insulator for welding machines/hand extruders/Tensiometer