Wikipedia, "Polyethylene" ([Internet, 2019-07-22](https://en.wikipedia.org/wiki/Polyethylene#Nomenclature_and_general_description_of_the_process))
EXP: In the United Kingdom and India the polymer is commonly called polythene, from the ICI trade name, although this is not recognized scientifically
Wikipedia, "Polyethylene" ([Internet, 2019-07-22](https://en.wikipedia.org/wiki/Polyethylene#Nomenclature_and_general_description_of_the_process))