Polyurethane Foam Gasket Not a Seal - Hennig Gasket ...
Polyurethane, sometimes referred to just as 'urethane' is one of the most widely used materials for seals and gaskets. It's inexpensive and has characteristics that make it very useful. Just be careful not to use urethane gasketing foam when you need a polyurethane seal! A polyurethane foam gasket is different from a polyurethan seal.
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