No, some foams are not depending the use and materials used towards manufacture.
Most petroleum or engineered foams that require a long term use life do not degrade over time. (25 yr or 30 yr use)
Engineered bio-foams usually made from soybean or recycled items do. The life use of biodegrade foams are very short and may require replacement at a faster rate. (3 months - 10 yrs)
no
Foam is a noun (the foam) and a verb (to foam).
Yes. Foam board and foam core are the same thing.
There was foam coming from his mouth.I like foam on my coffee.Is that shaving foam behind your ear?
insulation foam or upholstery foam
High density foam is just your typical foam. It does not conform to your body when it heats up like memory foam does.
foam
Foam Sweet Foam - 1925 was released on: USA: 1 October 1925
Assuming the foam is from furniture stuffing, then the answer is no. Such foam is plastic and is definitely not edible.
Foam is NOT plastic!
Inside foam is a gas. :)
Drink the foam