Alumina ceramic components Good insulation and thermal performance E14/E27/GU10/MR16C Custom LED components Electric Supply Alumina ceramic componentsGood insulation and thermal performanceE14/E27/GU10/MR16CCustom LED componentsElectric SupplyAlumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, ...