This standard BS 3241:1960 Specification for toughened polystyrene for sheet extrusion is classified in these ICS categories:
83.080.20 Thermoplastic materials
This British Standard covers the basic requirements for toughened polystyrene in the form of granules for sheet extrusion consisting of thermoplastic polymers or copolymers of styrene and suitable additives.
Specifies requirements for toughened polystyrene in the form of granules and gives methods of test for impact and tensile strength, moisture content and colour stability to heat.