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Workshop and On-site Rubber Linings

The wide range of stresses on components in processing plants means that effective corrosion protection is essential. Rubber lining provides not only the ideal protection for steel structures such as tanks, pipes, reaction towers and gas scrubbers but is just as effective for concrete items (such as drainage channels). That applies not only to chemical attack from acids, alkalis, salt solutions, various chemicals or water vapour, where exposure can be made more serious by elevated temperatures or temperature fluctuations, but also to frequent mechanical stresses (pressure, abrasion).

STEULER-KCH has developed an extensive range of materials for workshop or On-site rubber lining. This forms the basis for individual selection of rubber qualities to match the different applications and the particular stresses involved.

In selecting suitable materials, it is usually necessary to consider multiple criteria. Use of rubber linings for steel structures in contact with media is specified in the DIN EN 14879 standard. The requirements for steel components are also included in this set of standards. In general as corrosion protection under these stresses, soft rubber linings with a nominal thickness of at least 4 mm and hard rubber linings of at least 3 mm thick are required.


  • Long-term chemical resistance and lightness
  • Long-term thermal resistance
  • Long-term mechanical resistance
  • Adhesion to substrate surface (steel, concrete)
  • Resistance to ageing
  • Anti-adhesive properties and decontamination capability
  • Crack bridging abilities (for concrete structures)
  • Pre-defined thickness Repeatable testing for tightnes

The chemical resistance, i.e. the way the material withstands the effects of chemical attack by the media for example by hydrolysis or oxidation, is a prime consideration. To handle long-term or permanent attack by corrosive media on components requiring protection, materials need to be selected which are also capable of coping with permeation. This is particularly relevant for chemicals with small molecules (hydrochloric acid, ammonia, water) where operating temperatures are higher than the ambient temperature, since permeation is accelerated as the temperature rises.

Rubber linings:

  • Rubber grades for steel and concrete structures based on butyl (IIR), bromo-butyl (BIIR), chloro-butyl (CIIR), chloroprene (CR), hypalon (CSM), natural rubber (NR) polymers as well as special grades
  • Autoclave rubber linings including steel components are also supplied by STEULER-KCH
  • Self-vulcanizing, pre-vulcanized and hot water qualities