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UK Office

KnitMesh Technologies

Coast Road
Greenfield
Flintshire
UK

CH8 9DP
 
Phone: +44 1352 717600
Fax: +44 1352 714909
Applications & products
Automotive Applications
Wire Mesh Catalytic Converter Seals

Home » Applications & Products » Automotive Applications » Catalytic Converter Seals

Wire mesh catalytic converter seals

KnitMesh Technologies wire mesh catalytic converter seals are used to protect the delicate honeycomb ceramic brick within a catalytic converter from shock and vibration damage.

Protects against gas erosion

Wire mesh catalytic converter seals are manufactured using mesh that is usually compressed in a die to make an even-density, all-metal one-piece end seal ring. They are designed to protect delicate ceramic bricks and intumescent mats from gas erosion and to prevent exhaust gas bypass between the brick and the inner catalytic converter shell. They are also used extensively within diesel particulate filter assemblies.

Twin-seal assemblies

Assemblies with two seals that fit around either end of the monolith brick, that are joined by connecting mesh, can also be produced. These seals are particularly useful where the converter can design does not have any other way of keeping seals in position.

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Examples of catalytic converter wire mesh seals KnitMesh Technologies
KnitMesh Technologies
KnitMesh Technologies KnitMesh Technologies

Features & Benefits

  • State-of-the-art manufacturing techniques for low-cost production
  • Wide range of materials available to suit temperature requirements exceeding 1000°C
  • Seals available to suit any size or shape of monolith brick
  • Round and oval cross-sections available
  • Lips can be added for additional protection of monolith brick edges


  • Man-made materials, such as silica yarns, can be used in conjunction with a metal filament to improve performance
  • Rapid, cost-effective prototypes can be produced from low-cost die sets to reduce product development time
  • Ceramic fibre materials can also be covered by mesh to give added protection against exhaust gas bypass