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Plastics — Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials — Part 1: Designation…

Overview ISO 21306-1:2019 defines a standardized designation system and basis for specifications for unplasticized poly(vinyl chloride) (PVC‑U) moulding and extrusion materials. It sets out how to id…

Plastics. Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials. Designation system and…