[1] It was originally built to manufacture a new type of synthetic yarn called Terylene, which is known as Dacron in the United States.
Terylene polyester fibre was invented in England in 1940 and had wide application in the apparel trade and for industrial use.
This happened in the same year as the plant's name being changed The plant, at 5275 Bath Road, was built on a 70-acre site near Napanee, in Millhaven, Lennox and Addington County, Ontario, on the north shore of Lake Ontario.
The site was owned by ICI of Canada Ltd., Canadian Industries Limited, Millhaven Fibres Ltd., Celanese Canada, Hoechst, and KoSa at various points in its 55-year history, before Invista bought the 75-hectare site on Lake Ontario in 2004.
PET is used to manufacture shatter-resistant plastic bottles for water, soft drinks and medicinal and cleaning products.