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What is polyethylene (PE) and what is it used for? It is a thermoplastic polymer with variable crystallinity, and depending on the type, it has a wide range of applications. Plasticine is one of the most widely produced plastics on the planet, with tens of millions of tons produced worldwide each year, making it the most abundant. PE's commercial process (the Ziegler-Natta catalysts) was developed in the 1950s by two scientists from different countries: Karl Ziegler from Germany and Giulio Natta from Italy. Polyethylene is avai... more