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إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
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الرجاء تسجيل الدخول , للأعجاب والمشاركة والتعليق على هذا!
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Polyethylene Naphthalate: A Newly Discovered Polymer Versatility and Sustainability in Perfect HarmonyPolyethylene naphthalate, commonly known as PEN, is a polyester polymer that is known for its durability, heat resistance anddimensional stability. It was first developed by DuPont in the late 1960s and was aimed to replace polyethylene terephthalate (PET) in applications that required higher heat resistance.Chemical Structure of PEN Polyethylene Naphthalate is derived from dimethyl naphthalene...0 التعليقات 0 المشاركات 237 مشاهدة 0 معاينة