thermiculite

Unwrought and partly wrought common metals and their alloys and simple products made from them, namely serrated metal cores spread with non-metallic sealing for use in further manufacture, replacement parts and repair; unwrought and partly wrought common metals, and their alloys and simple products made of them, namely, spiral wound gaskets for use in further manufacture, replacement parts, and repair.Non-metallic sealing materials forming a seal enhancing component of packing for shaft sealings; valve stem seals after compression molding; non-metallic sealing material in sheet form from which flange gaskets are cut; non-metallic sealing material forming a seal component of semi-metallic gaskets.