I was asked this question during a classroom training session…
Student
What does TPO stand for?
My Response
Although there is no true standard of nomenclature for blended polymers, TPO typically stands for a category of polymers known as Thermoplastic Polyolefins. Polyolefins are a group of polymers comprised of mainly hydrogen and carbon, mainly polyethylene and polypropylene. TPO’s are typically a blend of polyolefins with other additives designed to create a polymer which has a very specific processing and performance characteristic.
In many cases the TPO blend has less semi-crystallinity, less strength, more ductility, higher toughness, more flexibility, and more shrinkage than the base polypropylene and polyethylene constituents.
-Andy
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