Plastics - Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 1163-1:1995)
Gives a system of designation for unplasticized polyvinyl chloride (PVC-U) moulding and extrusion materials which may be used as the basis for specifications. Applicable to all unplasticized polyvinyl chloride compositions that contain at least 50 % m/m of vinyl chloride. Does not apply to cellular plastics. Replaces the second edition.