Polystyrene foamed sheet suitable for forming

C - Chemistry – Metallurgy – 08 – L

Patent

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190/150, 403/76,

C08L 25/06 (2006.01) B32B 5/18 (2006.01) B32B 27/30 (2006.01) B65D 1/28 (2006.01) C08J 9/04 (2006.01)

Patent

CA 1216400

ABSTRACT OF THE DISCLOSURE A polystyrene foamed sheet suitable for thermoforming and containers such as cups or trays formed therefrom, the foamed sheet comprising a polystyrene resin as the base resin which contains a specific quantity of each a rubber component and a filler, having specific bulk density, thick- ness, stretch ratio and residual gas quantity, and said sheet being preferably laminated with a film.

427822

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