Natural Fibers
Fibers (or fibres ) form a class of hair-like materials that occur as continuous filaments or in discrete elongated pieces, similar to pieces of thread. They are of two types: natural fibers and man-made or synthetic fibers. Natural fibers may be obtained from plant, animal, and mineral sources. Those from plant sources include cotton , flax, hemp, sisal, jute, kenaf, and coconut . Fibers from animal sources include silk , wool , and mohair. Those from mineral sources include asbestos and metal fibers. Many natural fibers can be spun into filaments, thread, or rope. Some can be matted into sheets to make products such as paper or felt . Others can be used as components of composite materials. In recent years, natural fibers are being increasingly used in the textile , building , plastics , and automotive industries. Sources of natural fibers Natural fibers can be classifi...