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in textiles, synthetic fibre, known generically as metallic, including manufactured fibres composed of metal, metal-coated plastic, or of a core covered by metal (usually aluminum). Trademarked names include Chromeflex, Lurex, and Melora. Foil types are made with a metal foil that is coated with a plain or coloured plastic film and then cut into strips. Metallized types employ such films as Mylar, a polyester treated with vaporized metal that is bonded between layers of clear film. Colour pigment may be added with the film