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Styrofoam is a plastic/petroleum product and starts off as a plastic pellet. Pellets are heated and expand to 40/50 times their original size, they are then cut into whatever product is required. The heated beads achieve a volume which is 98% air

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7y ago
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9y ago

Styrofoam is made from closed-cell polystyrene. It's made for craft applications, cushioning material, disposable coffee cups and other thermal insulation.

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15y ago

Styrofoam is made of Polystyrene

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Q: What natural resource is Styrofoam made of?
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