EN ISO 1622-1:1999

Plastics - Polystyrene (PS) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 1622-1:1994) EN ISO 1622-1:1999

Publication date:   Mar 30, 2004

Scope

Cancels and replaces the firs edition (1985). Establishes a system of designation for polystyrene thermoplastic material, which may be used as the basis for specifications. Applicable to all amorphous polystyrene homopolymers. Applies to materials ready for normal use, unmodified or modified by colorants, additives, fillers etc. Does not apply to expanded polystyrene, styrene copolymers, homopolymers of substituted styrene and those modified with other polymers such as elastomers.