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Polystyrene (PS) - is a synthetic aromatic polymer made from the monomer styrene.
P 0047 (OTTO) Polystyrene average Mw ~350,000, average Mn ~170,000 - used for fabricating many objects of commerce. P 0047 (OTTO) Polystyrene average Mw ~350,000, average Mn ~170,000 - used in toy and home appliances manufacture.