Breather Felt is made of non-woven quilted felt material with high temperature resistant polyester fiber able to stretch to many contours. Designed for use in autoclaves, it can be used to wrap the perimeter of a multilayer book to assure air evacuation from all exposed edges of the package and prevent the puncturing of the nylon bagging film. Available in four different thicknesses 4, 7, 10, 20 (oz/yds). Operating temperatures up to 400 degrees F (204 degrees C).
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