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Class 8 Science – Synthetic Fibres and Plastic In this article, we will discuss Synthetic fibers and Plastics. Synthetic Fibres Man-made fibers are known as synthetic fibers. A synthetic fiber contains multiple units which are joined together to form a single unit called a polymer. The structure of a polymer can describe as resembling numerous beads on a string, with each bead representing an individual unit that is joined to other such units. The common synthetic fibers are Rayon nylon, acrylic, and spandex. Nylon -It is the first true synthetic fibers. It was first produced in the early 1930s by the scientists at the DuPont Company from coal water and air Properties of Nylon It is elastic and does not lose strength even after repeated use. It is lustrous and easy to wash. It is waterproof. Nylon is used for making socks, stockings, tents, umbrellas, parachutes, and tarpaulins. They are also used for making toothbrush, fishing nets, and strings of badminton and t...