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Electrically conductive form-in-place gasket product rangis enhanced

16 December 2008

Chomerics Europe' electrically conductive form-in-place (FIP) gasket range has been strengthened with the addition of new materials . These include CHOFORM®1122V, CHOFORM 5550, and CHOFORM 5545 - all are single component, silicone-based materials that are designed to cure-in-place once applied to customer enclosures or castings.

CHOFORM 1122V uses a silver / aluminium conductive filler to provide a shielding effectiveness of greater than 65dB (average over 200MHz to 12GHz), and a maximum operating temperature of 130ºC. The material has very high corrosion resistance and a shore A hardness of 50 making it ideal for low-closure force applications.

Low hardness CHOFORM 5550 uses a nickel / graphite filler to help it also achieve a shielding effectiveness of 65dB. This 43 Shore A material can be dispensed in a unique triangular shaped bead with an extremely high aspect ratio (max height 3mm) to provide a solution where closure forces are extremely low or where there is a degree of unevenness between mating surfaces. Maximum operating temperature is 125ºC.

CHOFORM 5545 incorporates a tungsten carbide filler and possesses extremely high corrosion resistance to make it the ideal choice for use in the harshest and most demanding environments such as those found in military and aerospace applications. Shielding effectiveness is greater than 65dB and the material can be used in operating temperatures up to 125ºC.

All of Chomerics FIP materials meet UL 94V-0 flammability requirements. A detailed selector guide is provided at www.parker.com/chomerics to assist in the selection of the most appropriate material for a given application.


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