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1. Acrylic fibre is often used as a substitute for wool due to its wool like feel.
2. Polyethylene terephthalate forms the basis for synthetic fibers like Dacron, Terylene and polyester.
3. Polywool is a blended fibre formed by mixing fibres called polyester and wool.
4. Poly(methyl methacrylate) (PMMA) is by far the most common acrylic polymer.
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