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Composites

Composites

KnitMesh Technologies work closely with a range of advanced materials and component manufacturers who require lightweight and strong raw materials for use in composites that are engineered specifically for use in  the harshest environments including extremes of temperature, vibration and/or exposure to corrosion.
Flexible & Malleable
High Resilience
EMC/RFI Screening
High Surface Area
Low Cost
Encapsulates & Protects

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Flexible & Malleable icon

Flexible & Malleable

The flexibility (ability to be bent without breaking) and malleability (the ability to withstand plastic deformation without fracture) of our products can be designed according to customer needs. Through a careful selection of materials, mesh structure, and tooling design, we can produce mesh components in an almost limitless range of shapes including sheets (blankets), highly flexible hollow mesh tubes, and 3-dimensional rigid structures such as prisms, cubes, spheres and doughnuts, etc.
High Resilience icon

High Resilience

Resilience can be defined as the ability of a material to absorb energy when deformed and to release that energy on unloading. The feature is particularly beneficial in applications such as seals (often incorporating resilient cores), gaskets and vibration isolators for use in both high and low temperature environments. Our engineers can work with customers to select the materials and manufacturing methods required to configure a product that will perform to the most exacting specifications.
EMC/RFI Screening icon

EMC/RFI Screening

Knitted mesh is used to form an enclosure that acts as Faraday Cage to block electromagnetic fields. This phenomenon is used to screen (protect) sensitive electronic equipment from external radio frequency interference (RFI) and enhance electromagnetic compatibility (EMC). Faraday Cages are also used to enclose devices that produce RFI, such as radio transmitters, to prevent their radio waves from interfering with nearby electronic equipment. These knitted mesh screens can be produced from a wide range of materials including tin-plated copper or copper-plated steel and formed as cooling vents, flexible cable jointing ‘bandages’, and resilient joint seals with elastomer cores for inspection hatches or doors and windows, etc.
High Surface Area icon

High Surface Area

Knitted mesh can be processed from a wide variety of materials to produce densely packed components with high surface area per unit weight or volume. Surface areas of >30,000 m2 per m3 of compressed material can be achieved which is equivalent to >5 m2 per kg of stainless steel. In cost terms this feature of knitted mesh compares very favourably to other technologies and is utilised in applications such as catalyst substrates or where rapid heat transfer from a fluid is required.
Low Cost icon

Low Cost

Knitted wire mesh products offer low cost solutions when compared to other technologies such as sintered materials and high temperature elastomers. For volume production, our relatively low raw material and tooling costs, together with high speed automated manufacturing processes result in very competitive unit costs. This is also the case for lower volume customer requirements where our extensive experience and specialised equipment facilitate cost effective bespoke solutions.
Encapsulates & Protects icon

Encapsulates & Protects

Knitted mesh can be used to encapsulate and protect fragile materials such as the ceramic bricks used in catalyst applications. We also specialise in the ‘over-knitting’ of special materials such as graphite or mica, that are produced to deliver properties against specific customer requirements such as fluid seals or self-lubricating gaskets.

The world’s leading corporations rely on companies with specialised capabilities in the production of industrial composites. Those companies, in turn, rely on KnitMesh to supply high quality knitted wire mesh components for inclusion in their sealing systems, thermal insulation, performance/racing cars and fire & smoke barrier products.

KnitMesh products are used extensively in the composites industry as:

  • Composite support layers
  • Forming devices
  • Insulation
  • Under-floor EMC screening
  • The flexible cores of aviation hatch and door seals
  • Furnace, oven or cryogenic seals
  • Current carriers or physical barriers in security composites
  • Anti-vandal protection layers in mass transit seating composites
  • Fuel cell and electro-chemical electrolysis substrates
  • Mesh & graphite combinations for valve seals

Features and Benefits

  • As composite support layers
  • For composite forming
  • Insulation
  • Under-floor EMC screening
  • For flexible cores of aviation hatch & door seals
  • Furnace, oven or cryogenic seals
  • As current carrier or physical barrier in security composites
  • Anti-vandal protection in mass transit seating composites
  • Fuel cell and electro-chemical electrolysis substrates
  • Mesh & graphite combinations for valve seals

Security Composites

Knitted wire mesh can be used in security composites, for example blast resistant street furniture and anti-vandal passenger seating composites.

Aerospace Seals

KnitMesh Technologies manufacture a wide range of temperature resilient cores and gaskets used within the aviation sector, including special applications for aircraft hatch seals.

Our cores and gaskets have high elastic compression properties with almost no plastic deformation and can be made in a range of materials to suit a host of different temperature and corrosion requirements.

Fuel Cell Substrates

Some electro-chemical energy conversion devices that produce electricity, water and fuel, require an electrolyte resistant compressible element to optimise electrical and pressure contact between fuel cell components – our range of crimped nickel meshes are ideal for these applications.

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Suggested Materials for Composites

Copper Mesh and Copper Alloy Mesh (Brass) arrow
Aluminium Mesh arrow
Mineral Mesh (Glass and Silica) arrow
Yarn Mesh (Cotton, Aramids, and Kevlar) arrow
Stainless Steel Mesh arrow
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