Importance

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Abstract

Domestic cookware and laboratory and industrial processing apparatus are disclosed comprising graphite fibers in a glass matrix. The graphite is laid up in the glass matrix so as to produce a glass rich use or contact surface, which coupled with the materials selected provides versatility in article processing, high thermal conductivity and uniformity of heat distribution in the articles produced, chemical inertness, gas and liquid impermeability, and high impact resistance and flexural strength. The articles are produced by hot pressing a mixture of the fibers and glass in a mold at elevated temperture or by extrusion or pull-trusion processing. The high thermal conductivity of the articles of the present invention (e.g. in excess of 30 BTU inch hr.sup.-1 ft.sup.-2 .degree.F..sup.-1) contributes to all of the above properties and makes the composites particularly useful as domestic cookware and laboratory and industrial processing apparatus.

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First Claim