Electrical ceramics tube/electric ceramic tube 1. Insulation 2. Wear-resisting 3. High ... high temperature resistance5) Stiffness texture6) Used in all electric products and electric heating products7) OEM, ODM and OBM are welcomedWe ... hardness, more resistances to wear, heat, corrosion, high electric insulation, and low thermal expansion.PropertiesUnitZirconiaAluminaContent%≥94≥95≥99.5Densityg ...