Orientated Wires & Silicone Gasket Material

Solid and sponge silicone gasket material populated with vertically oriented monel or aluminum wires up to 140/sq cm. Provides excellent shielding with EMP survivability and will also provide an environmental seal. Available as sheet stock, strip or die cut to customer design and can be easily fabricated for large picture frame gaskets. Also available with self adhesive backing and compression stops or collars can be fitted to prevent over compression.

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EMI Gasket, Frame Gasket Kemtron

A flat, sheet material, comprising a solid silicone rubber, embedded with Monel or Aluminium metal wires orientated perpendicular to its surface. Excellent RFI/EMI/EMP shielding performance is achieved as the material has a wire density of up to 140 wires/ CM2 in solid silicone providing an environmental and RFI/ EMI seal when clamped between two metallic surfaces. These wires are crimped to aid compression and are chemically bonded to ensure their retention. They will also penetrate most light oxide layers, ensuring a low contact resistance path when suitably compressed.

A choice of silicones variants along with different wire counts are available allowing this product to be used in a wide range of applications.

Kemtron have developed new grades of material to fulfil a need that meets the performance of our 430/440 materials but with improved environmental sealing qualities. We have achieved this by using a very soft solid silicone with a reduced wire count of 100 wires per cm2 the same as our silicone sponge. The advantages of these materials over silicone sponge are that we can manufacture sheet widths of 225mm with a minimum thickness of 0.8mm. Material consistency is a great advantage over silicone sponge as there is no uneven cell structure to consider that affects moisture ingress and closure force.

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