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Norfab Corporation

John W Weber

A heat resistant fabric is provided, preferably woven, and with an optional aluminized backing, the fabric being made from yarns having a core of flame and high heat resistant silica fibers covered by a layer of aramid fiber, or other heat resisting fibers, with or without blending with other fibers, the covering layer providing a cushion to increase abrasion resistance of the core while also providing a heat resistant covering for the core.

Heat resistant and protective fabric and yarn for making the same

A fire retardant which is suitable for use as a protective material in garments, clothing, fire curtains, barriers or screens is disclosed. The fabric employs an amorphous silica core having a minimum of 96% silica by chemical analysis. The core fiber is encapsulated in a wrapping or covering which may be of polybenzimidazole, aramids, blends of aramids with other fibers and/or polyacrylonitrile fibers or blends thereof. The core fiber and wrapping comprise a heat resistant yarn which may be woven into a heat resistant fabric which may then be aluminized on one or both sides thereof.

Protective fabric and fire curtain with a metallic laminate

A heat resistant fabric is provided, preferably woven, and with an optional aluminized backing, the fabric being made from yarns having a core of flame and high heat resistant non-melting heat stabilized polyacrylonitrile fibers covered by a layer of aramid fibers or other heat resisting fibers with or without blending with other fibers, the covering layer providing a cushion to provide increased abrasion resistance of the core while also providing a heat resistant covering for the core.

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Norristown, PA, United States of America

John W Weber