Posted on February 4, 2019February 5, 2019 by Pulse AssentISO 21305-1:2019 Plastics. Polycarbonate (PC) moulding and extrusion materials Designation system and basis for specification Link: ISO 21305-1:2019 Plastics. Polycarbonate (PC) moulding and extrusion materials Designation system and basis for specification Source: BSI Standards Related Posts:Government to look at ways new high-tech materials…New subsidy control system will support UK jobs,…Big boost for UK economy as subsidy control system…Government future proofs Britain’s energy system…New bill to modernise Business Rates system