Technical Ceramics
Thermal and Mechanical Insulation for Industry
High-Performance Insulation for Industry
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Technical Ceramics
Technical ceramics are high-performance electrical insulating materials used in industrial applications requiring thermal resistance, good mechanical strength and good abrasion resistance.
Our Technical Ceramics Families
STUMATITE FAMILY (Density: ~2650 Kg/m³)
Features
Stumatite (alumina silicate) is a machinable ceramic. Abrasion-resistant electrical and thermal insulator for use up to 1250°C.
Temperature range: up to 1250°C (thermal shock resistance up to 940°C).
Advantages :
- Low thermal conductivity(1.39 W/mK to 2.67 W/mK depending on temperature).
- High-temperature mechanical resistance,
- Electrical insulation (except silicon carbide SiC)
- Corrosion resistance,
- Abrasion resistance,
- Thermal shock resistance of porous materials and silicon carbides SiC
- Manufacture parts without the constraints of molding
- Excellent vacuum resistance
- Suitable for melting aluminum, zinc, lead, sodium, cast iron, etc.
- Complies with food safety test in accordance with NF EN ISO 10545-15
Main applications :
- Industrial furnaces
- Bulkhead penetrations
- Resistor and inductor supports
- Diabolos, support plates, wear parts
- Welding / Fastening
- Nozzles, positioning pins
- Ceramic screws and accessories
- Baillets, insulating beads
- Electricity and instrumentation
- Custom-made grommets
- Electrical insulation in high-temperature environments
- Miscellaneous applications
- High-temperature mechanical insulation
- Components for feedthroughs, fixings or supports in critical areas
MACOR FAMILY (Mass by volume: 2520 kg/m³)
Features
Macor is a machinable ceramic with excellent electrical and thermal insulation, combined with good mechanical strength. Its lack of porosity and high dimensional stability make it a popular material for vacuum and high-precision environments.
Temperature range: continuous up to 800°C
Advantages :
- Perfect electrical insulation, even at high temperatures.
- Machinability with conventional tools (no need for post-firing).
- No outgassing and excellent vacuum resistance.
- Good resistance to radiation and corrosive environments.
Main applications :
- Insulators and vacuum feedthroughs.
- Coil holders and laser components.
- Parts for the aerospace, electronics and medical industries.
ALUMINE FAMILY (Density: 3950 kg/m³)
Features
Alumina is a high-purity ceramic with excellent mechanical and thermal resistance, used for applications requiring high dielectric strength and wear resistance.
Temperature range: up to 1700°C.
Advantages :
- Good electrical insulation.
- Good mechanical strength at high temperatures.
- High resistance to abrasion, wear, corrosion and thermal shock.
- thermal and mechanical stability.
Main applications :
- Electronics: substrates for printed circuits, insulators.
- Medical: implants and prostheses.
- Mechanical and chemical industries: components resistant to extreme temperatures.
FRITTED CERAMICS FAMILY: Steatite, Cordierite, Mulite, Alumina (density: 2000 to 3900 kg/m³)
Advantages :
High-temperature mechanical resistance.
-Electrical insulation
-Corrosion resistance
-Abrasion resistance
-Thermal shock resistance of porous materials.
Main applications :
- Foundry and steel industry: crucibles and protective tubes.
- Insulation of high-temperature equipment.
- Catalyst supports and insulating components.
- High-temperature equipment: quartz tubes and crucibles.
- Electronics industry: semiconductor components.