VS.

Styrofoam vs. Polystyrene

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Styrofoamnoun

Expanded polystyrene foam, such as is used in cups and packaging.

Polystyrenenoun

(organic chemistry) A vinylic polymer of styrene, CH2CHphenyl.

Styrofoamnoun

a light resilient foam of polystyrene

Polystyrenenoun

(organic chemistry) An alkane chain of benzene molecules, RCH2CHphenylR.

Styrofoam

Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam (XPS), commonly called , manufactured as foam continuous building insulation board used in walls, roofs, and foundations as thermal insulation and water barrier. This material is light blue in color and is owned and manufactured by The Dow Chemical Company.Styrofoam is colloquially used worldwide to refer to another material that is usually white in color and made of expanded (not extruded) polystyrene foam (EPS).

‘Blue Board’;

Polystyrenenoun

a polymer of styrene; a rigid transparent thermoplastic;

‘expanded polystyrene looks like a rigid white foam and is used as packing or insulation’;

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Polystyrene

Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. Polystyrene can be solid or foamed.

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