# ISO 28078-1:2009 — Withdrawn and superseded ISO standards For ISO 28078-1:2009, item title is Plastics — Poly(phenylene sulfide) (PPS) moulding and extrusion materials — Part 1: Designation system and basis for specifications; status code is 9599; successor is ISO 20558-1:2018; withdrawn / published date is 2009-10-08, recorded from its source on 2026-08-05. - **Identifier:** ISO 28078-1:2009 _(verified: appears in the quote below)_ - **Item title:** Plastics — Poly(phenylene sulfide) (PPS) moulding and extrusion materials — Part 1: Designation system and basis for specifications _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 20558-1:2018 - **Withdrawn / published date:** 2009-10-08 _(verified: appears in the quote below)_ ## What the source says > 44506,IS,,ISO 28078-1:2009,Plastics — Poly(phenylene sulfide) (PPS) moulding and extrusion materials — Part 1: Designation system and basis for specifications,Plastiques — Matériaux pour moulage et extrusion en poly(phénylène sulfide) (PPS) — Partie 1: Système de désignation et base de spécification,2009-10-08,1,['83.080.20'],ISO/TC 61/SC 9,9599,,[68367],"['en','ru']",7,"

ISO 28078-1:2009 establishes a system of designation for PPS thermoplastic materials, which may be used as the basis for specifications.

The types of PPS plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties