Wear Resistant Ceramic Sealing Rings

The manufactured assemblies and ceramic components from UNIPRETEC cover a very broad spectrum in various fields of applications and several industry sectors. The sophisticated and unique specific properties of varied ceramic materials such as Alumina, Zirconia, Mixed-Oxides as well as Nitrides and Carbides allow an improvement in numerous working processes compared to the use of steel components.

Advanced Ceramic Materials

Alumina Oxide
Uses for Rods and Tubes Ceramic- high purity, translucent aluminum oxide and hot pressed aluminum oxide as well as marketing a grade of sintered aluminum oxide specifically designed for armor applications.high purity, used  military applications, . 

Aluminum Nitride
Fully dense aluminum nitride materials. The key characteristic are High Thermal Conductivity, Electrical Insulator receptivity , Corrosion Resistance, Large, complex Shape potential Uses: Microwave, semiconductor,  

Boron Nitride
Excellent wear applications and one of the hardest materials found. Used in tool bits and cutting tools.

Boron Carbide
Lightest weight technical ceramic material as well as high hardness. Fully dense boron carbide is produced by hot pressing. Other characterized as follows: erosion resistance, high modulus, and neutron absorber. Boron Carbide used in semiconductor components, sputtering targets, wear components, boron carbide tiles, armor and boron carbide B4C nuclear 

Glass Ceramics
Used for glass ceramic machining. An excellent insulator at high voltages, various frequencies, and high temperatures up to **0oC to ***0oC. Will not outgas in vacuum environments when baked out properly.  

Silicon Carbide
This material has a high strength, low density, oxidation resistance (reaction bonded) characteristics. Quality thermal shock resistance, high hardness, wear resistance, low thermal expansion and electrical conductivity.  

Silcon Nitride
High Thermal Conductivity – Electrical Insulator – Corrosion Resistant. Totally dense material having a scope of compositions that can be manufactured cost effectively including complex forms and shapes.   

Zirconia 
ZIrconia ceramics have high mechanical strength and toughness. Excellent surface smoothness.


Generally ceramics can be characterized as very hard, enormous wear resistant, high temperature-stable and also resistant to most of popular acids and bases. Most ceramic materials offer excellent electrical insulating properties combined with a poor thermal conductivity. These characteristics allow an operation in various application areas and branches of industry.

Field of application and key aspects:

• Chemical Industry (corrosion protection)
• Apparatus & Mechanical Engineering (wear resistance, insulating properties)
• Avionic & Aerospace Technology (insulating properties, high-temperature stability)
• Forming Technology (wear resistance, hardness, surface properties)
• Automotive Technology (corrosion protection, insulating properties, wear resistance)
• Microtechnology (insulating properties, corrosion protection, wear resistance)
• Testing Methods (insulating properties, wear resistance)