1. Alumina ceramic elements composed primarily of aluminum oxide (Al2O3) Mechanical Strength 2. Alumina ceramic elements are known for their high hardness and wear resistance. Thermal Stability 3. Alumina ceramic elements can withstand extreme temperatures without losing their structural integrity. Electrical Insulation 4. Alumina ceramic elements exhibit excellent electrical insulating properties, which make them suitable for use in electrical and electronic applications. Chemical Resistance 5. Alumina ceramic elements are highly resistant to corrosion and chemical attack. 6. All products through the German DIN standards: DIN43724 / DIN43725 / DIN40680