Posted on August 23, 2018August 25, 2018 by Pulse AssentISO 21970-1:2018 Plastics. Polyketone (PK) moulding and extrusion materials Designation system and basis for specifications Link: ISO 21970-1:2018 Plastics. Polyketone (PK) 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 meetingUK Government announces extension of CE mark…New laws to introduce digital labelling for…One-stop-shop to help businesses save money and go green