Alumina or aluminium oxide (Al2O3) has good mechanical resistance to high temperatures, high electrical resistivity, good thermal conductivity, it is a material of great hardness, it also resists very well to wear.
This is a ceramic that has a very great hardness, good chemical stability and excellent vacuum properties as well as being non-porous and impact resistant. It offers good polishing accuracy as well as good thermal stability.
Aluminium Nitride has three main technical properties: its very high thermal conductivity, its good resistance to corrosion and its efficiency in terms of electrical insulation.
This material is of great hardness, is highly resistant to thermal shock, has low thermal expansion and high thermal conductivity.
Silicon Nitride is appreciated for its great hardness, low density, good resistance to wear, abrasion, corrosion, and thermal shock.
This is a glass ceramic that combines precision with speed and ease of machining. Its main assets are: good electrical and thermal insulation, strength, and rigidity. It can also be polished and used up to 1000 ° C. Its very good machinability reduces manufacturing costs.
Zircon has good mechanical properties at high temperatures, low thermal conductivity at room temperature, excellent wear resistance, great hardness, polishability, good chemical inertness, high resistance to attack by metals and thermal shock.
Quartz is a very good thermal and electrical insulator. It is a hard material that withstands high temperatures. It is also known for its good optical quality, it is transparent to infrared and permeable to UV.
Its main quality is its very great hardness. Boron Carbide also has high thermal conductivity, good resistance to wear, to strong acids and to alkalis.
The properties of Boron Nitride are: its high thermal conductivity and dielectric strength, its low thermal expansion and dielectric constant, its excellent resistance to thermal shock, its microwave transparency, its good machinability, and its lubricant properties.
Sapphire is a single crystal of alumina, it is undoubtedly the second hardest material that exists, just behind diamond. It has excellent resistance to thermal shock and high temperatures with a melting point at 2000°C. In the polished state, it is completely transparent. Sapphire is appreciated for its natural beauty. It is suitable for the watch industry, but also for more technical environments for precision fields. Ideal for demanding applications as it is acid resistant, has low electrical conductivity and is stable against external influences.
Ruby is composed of a single crystal of aluminium oxide with chromium oxide. It is a material that has a high hardness and excellent chemical resistance. Transparent, scratch resistant, appreciated for its aesthetic quality. Ruby also possesses technical qualities which grant it good general usefulness.
Silicon has excellent electrical conductivity, it is polishable and metalizable.
Ferrite is a ferromagnetic ceramic, it offers good electrical and magnetic conductivity.
This alloy has good chemical, thermal and mechanical properties if we refer to the EN ISO 9693 standard. It is biocompatible, resistant to corrosion, wear, and heat.