We encounter plastics every day of our lives. One of the most common types we come into contact with is Polyethylene Terephthalate or PET. PET is well known for its use in plastic bottles and most people know the basic about it, but even for the expert there are some lesser known facts about PET that are quite interesting.

In this two-part post we share eight of these fun facts.

Did you know?

PET is actually polyester

When PET is used for bottles, containers and other applications, it is called PET or PET resin. When PET is used as a fibre it is typically called polyester.

The PET bottle was invented by an American

The PET bottle was invented by Nathaniel C. Wyeth, a DuPont engineer and brother of American painter Andrew Wyeth. The patent was issued to Wyeth in 1973 and assigned to DuPont.

PET bottles are used to purify water in developing countries

According to the PET Resin Association, PET bottles and the sun are helping millions of people in developing countries obtain potable water. Using a system called SODIS (solar water disinfection), inhabitants set water-filled PET bottles in the sun for several hours or days – depending on how much sunlight is available – as a simple but effective means of destroying disease-causing bacteria and gaining safe drinking water.

PET is strong

A single-serve PET bottle (0.5 litre) is strong enough to hold 50 times its weight in water.

Lookout for part 2 of our post where we share four more fun facts about PET plastic.

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