Information from Matt at Presspahn.

Another product in our wide stock of materials is Cogmica Hi-Temp, a high temperature gasket material which can be purchased as either raw sheets or supplied as stamped gaskets ready for use in your application. Cogemica Hi-Temp has been developed for the production of high temperature resistant gaskets up to 1000°C (1832°F). It does not contain any asbestos and is inert to most chemical substances. Applications: Cogemica Hi-Temp ensures the sealing in applications where temperatures up to 1000°C can be reached. Gaskets made of Hi-temp are used in automobile exhaust manifolds, gas turbines, gas and oil burners, heat exchangers and in other flange connections. It is also used as a filler for spiral wound gaskets and as a material for camprofile seals. Composition: Cogemica Hi-temp is a material containing a high percentage of phlogopite mica paper impregnated with a silicone binder. Mica, an aluminosilicate of mineral origin, has a lamellar and non-fibrous structure representing a satisfactory alternate to asbestos. This material gives Hi-Temp its thermal characteristics – weight loss at 800°C less than 5% and its chemical resistance to solvents, acids, bases and mineral oils. Availability: Hi-temp 710 in sheets 1000 x 1200mm and thicknesses from 0.1 to 3mm. With our ability to press components from Hi-temp material we can normally find a solution to fit any volume or budget. Parts can be made using a variety of techniques such as form cutters, crop and creasing machines, simple steel tools or complex compound tooling. We also have the facilities to wire cut all our tooling in house ensuring the very best accuracy and lead times are offered each time. From initial contact to final manufacture we aim to keep you up to date on the progress of your order and if required provide pre-production samples with full dimensional inspection for approval before committing to larger runs. To discuss your requirements or for more information contact Presspahn on 01274 636333. Kind regards Matthew Pinder

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