Open Cell Foam
Open cell foam may be from a foam filter, foam padding, or the padded insole
of a shoe. Fragments of foam are common in
indoor environmental samples.
Closed Cell Foam
Closed cell foams are used as insolation and as structural materials in
shipping containers.
Floral Foam
Floral foams are designed to retain water. The are typically microporous as
well as being an open cell type foam.
Urea and Melamine-Formaldehyde Foam
This type of foam is used as insolation and as a filler for gaps in
structures.
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