Materials

Discover the right material for your application from our diverse range. Our experts are of course available for individual consultations and development projects.

Aluminum oxide is a very hard materialthat is stable at high temperatures and in aggressive chemical environments. Depending on the purity of the material and the grain size, we use it for a wide range of demanding technical applications  

We offer aluminum oxide in the following purity grades:

• 90%
• 96% (white or brown)
• 98%
• 99%
• 99,7%
• 99,9%

Our magnesium and yttrium stabilised zirconium oxide materials are characterised by 

• high fracture toughness 
• and strength

Owing to theirsimilar coefficients of thermal expansion, components made of zirconium oxide are particularly suitable in connection with steel components. With sophisticated production methods, we ensure

• thermal 
• and hydrothermal stability

under demanding operating conditions.

With titanium dioxide we produce

• low cost ceramics 
• with very smooth surfaces 

The selection of appropriate sintering atmospheresenables the production ofelectrically conductive ceramics which can be used, for example, to dissipate electrostatic charges caused by friction.

Magnesium oxide is characterised by

• high thermal conductivity
• and good electrical insulation

The combination of these properties makes magnesium oxide primarily suitable for use in the electric heating sector in applications such as cartridge heaters or thermocouples.

This relatively soft mixed ceramic made of aluminum oxide and titanium dioxide is characterised by an extremely good thermal shock resistance This makes the material particularly suitable for use in aluminum foundries.  

• Thermal shock resistance 
• and mechanical strength 

can be analysed in detail to ensure that the specific requirements of our customers are met. 

By virtue of its excellent mechanical properties, especially with high operating temperatures, silicon nitride is also a preferred material for demanding mechanical engineering applications. 

Our developers have succeeded in creating an electrically conductive version of this material. This is particularly suitable for applications 

• in measurement technology 
• at high temperatures 

With NSN, a cost-effective variant of this material has also been developed, which is mainly used in metallurgy

Silicon carbide is characterised by 

• its extreme hardness 
• and good tribological properties

It is therefore a suitable material for 

• sealing elements 
• and applications with high mechanical wear 

We offer a variant of sintered silicon carbide SSiC to. 

For our customers we offer products made from

• Porcelain (C110, C130) 
• Steatite (C221, C220)
• Cordierite (C410, C511, C520) 
• and aluminum silicates (C610, C620, C780) 

all common materials in industrial dimensions her.

We are the largest manufacturer of silicate ceramic technical components in Europe and have a comprehensive range of materials. 

Through the intensive work of our experts, we have succeeded in developing combination materials made of aluminum oxide and zirconium oxide whose material properties, especially  

• fracture toughness 
• and flexural strength, 

clearly exceed those of other ceramic materials offered on the market. 

This enables us to significantly overcome the typical weak points of ceramic components, such as their brittleness. With these ceramics, we are opening up new technical applications.

A key development in recent years has been ceramic fibres made of 

• aluminum oxide 
• and silicon carbide 

"These can also be used in a similar way to fibre reinforcement in plastics for" reinforcement of ceramic components 

The components exhibit a 

• significant increase in fracture toughness 
• while simultaneously reducing weight.

Based on the patents of a renowned scientist in the field of materials technology, we have developed a short fibre technology. This means that fiber-reinforced components can be manufactured cost-effectively in series.

Porous ceramics are used in a range of applications for example as

• Wick for liquid transport
• Membrane in sensor technology
• Filter
• Backfire protection
• Current key in analytics
• Catalyst carrier

We can adjust the material by setting of the matrix material, the pore size and the total porosity to individual customer specifications. Compared to porous materials made of metal or plastic, porous ceramic materials can be used for higher temperatures and are more corrosion resistant, against many acids and alkalis. They also have a higher abrasion resistance and rigidity.

Our offer includes

• Rapor P20 (Fine pores up to less than 2µm to coarser pores up to 55µm)
• Rapor P15, C520 und C530 (Good thermal shock resistance)
• Rapor P3 (Main area of application in liquid filtration)
• Rapor P1 and P0,3 (Main area of application as current keys for pH sensors or as wicks for transporting liquids)