Polystyrene
Below is a list of Polystyrene manufacturers from Portage, Indiana. Polystyrene is an aromatic polymer commercially derived from the petroleum based monomer, styrene. Abbreviated PS, this particular plastic is ubiquitous in daily life, second in use only to polyethylene. Polystyrene exhibits the same strength as unalloyed aluminum, but is much lighter and offers significantly increased flexibility.
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