Posted on May 3, 2018May 5, 2018 by Pulse AssentISO 20558-1:2018 Plastics. Poly(phenylene sulfide) (PPS) moulding and extrusion materials Designation system and basis for specifications Link: ISO 20558-1:2018 Plastics. Poly(phenylene sulfide) (PPS) moulding and extrusion materials Designation system and basis for specifications Source: BSI Standards Related Posts:Government takes action to back small businesses and…SME Council membership revealed ahead of first meetingNew laws to introduce digital labelling for…One-stop-shop to help businesses save money and go greenGovernment backs SMEs with new Help to Grow campaign…