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Continue to ChatKnow for being very good variety of wear resistant mechanical plastics is Natural Natural Cast Nylon type 6 material. This grade of plastic has been produced from Dupont resin for over 40 years. https://crusht20.wordpress.com/2021/12/18/know-for-being-very-good-variety-of-wear-resistant-mechanical-plastics-is-natural-natural-cast-nylon-type-6-material-this-grade-of-plastic-has-been-produced-from-dupont-resin-for-over-40-years/