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:Big boost for UK economy as subsidy control system…New bill to modernise Business Rates systemBusinesses to be given UK product marking flexibilityGreen growth for Wales as UK government announces…Government takes action to back small businesses and…