Posted on March 5, 2019March 6, 2019 by Pulse AssentISO 21306-1:2019 Plastics. Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials Designation system and basis for specifications Link: ISO 21306-1:2019 Plastics. Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials Designation system and basis for specifications Source: BSI Standards Related Posts:New laws to introduce digital labelling for…SME Council membership revealed ahead of first meetingGovernment backs SMEs with new Help to Grow campaign…Expert regional innovation hubs given £75 million…