Constituent monomer of polystyrene
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Polystyrene is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. As a thermoplastic polymer, polystyrene is in a solid (glassy) state at room temperature but flows if heated above about 100 °C, its glass transition temperature.
Melting point: ~ 240 °C (464 °F; 513 K) For Isot...
Chemical formula: (C8H8)n
Solubility: Soluble in benzene, carbon disulfide,
Polystyrene foams are 95-98% air. Polystyrene foams are good thermal insulators and are therefore often used as building insulation materials, such as in insulating concrete forms and structural insulated panel building systems. Grey polystyrene foam, incorporating graphite has superior insulation properties.
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