Plastics. Acrylonitrile-styrene-acrylate (ASA), acrylonitrile-(ethylene-propylene-diene)-styrene (AEPDS) and acrylonitrile-(chlorinated polyethylene)-styrene (ACS) moulding and extrusion materials. Preparation of test specimens and determination of properties|Mouldings (shaped section), Acrylonitrile, Test specimens, Moulding (process), Extruding, Polymers, Testing conditions, Polystyrene, Thermoplastic polymers, Plastics, Determination of content, Injection moulding, Test methods, Moulded materials, Specimen preparation