Alumina (Al₂O₃) :

Characteristics :

Alumina is distinguished from other ceramics by properties offering a good mechanical-thermal-electrical insulation :

• high hardness (8 to 9 Mohs)

• good compressive strength

• wear resistance

• good corrosion resistance - chemical inertness

• good dimensional stability at high and low temperatures

• excellent dielectric properties

• low dielectric constant and low tangent loss angle

• excellent bio-compatibility

Material characteristics increase with product purity.

Applications :

Alumina is a ceramic widely used in the following applications :

• filter membranes

• electrical insulation for electronic tubes

• insulating substrate for electronics, electrical insulation

• crucibles

• structural parts for vaccum Equipment, for nuclear radiation installations, for equipments working at high temperatures

• wear, sealing and/or corrosion resistance parts, piston for pumps, shafts, bearings, seals, valves and dosing systems, sampling valves