Filament Fibers and Yarn have been used and known for more than many years.
Gold and silver have been used since ancient times as decoration in clothing and Textile. Many of these textiles can be found in museums around the world, Gold and silver were hammered into extremely
thin sheets, cut into ribbons, and worked into fabrics.
Examples; include magnificent Persian carpet and Indian ornamental sarees, Down through the centuries, kings and queens have worn garments that have glittered with gold and silver fibers twisted rapped around cotton or some other thread. They have been woven on byzantine looms from 7th to 9 th centuries, and after that in Sicily, Cyprus, Lucca, and Venice. Weaving also flourished in the 12th century during the legacy of Genghis Khan. When art and Trade flourished under Mongol\rate in china and some Middle Eastern Areas. The Dobeckmun company produced the first modern metallic fiber in 1946. currently, metallic fibers are manufactured primarily in Europe and none are made in the united states. In the past aluminum has always been used as the base in a metallic fiber. more recently stainless steel has become base as well. It is more difficult to work with but provides properties to the yarn that allows it to be used in a more high tech application