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Normas DIN – AENOR
DIN EN ISO 21970-1:2019-12

DIN EN ISO 21970-1:2019-12

Plastics - Polyketone (PK) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21970-1:2019); German version EN ISO 21970-1:2019

Plastiques - Polycétone (PK) pour moulage et extrusion - Partie 1: Système de désignation et base de spécification (ISO 21970-1:2019); Version allemande EN ISO 21970-1:2019

Kunststoffe - Polyketon (PK)-Werkstoffe - Teil 1: Bezeichnungssystem und Basis für Spezifikationen (ISO 21970-1:2019); Deutsche Fassung EN ISO 21970-1:2019

Fecha:
2019-12 /Active
Equivalencias internacionales:

EN ISO 21970-1 (2019-09)

ISO 21970-1 (2019-07)

Relación con otras normas DIN:
Resumen:
This document establishes a system of designation for polyketone (PK) moulding and extrusion materials which may be used as the basis for specifications. Polyketone polymer chains are built up from regularly alternating olefinic units and keto groups. The olefinic units shall be randomly distributed ethylene and propylene. The designation system is applicable to all polyketone terpolymers and blends. It applies to materials ready for normal use in the form of powder, granules or pellets, unmodified or modified by colourants, fillers or other additives.
Keywords:
Abbreviations, Classification, Codification, Copolymers, Designation systems, Designations, Distinguishing signs, Homopolymers, Letter symbol, Mouldings (shaped section), Numeric codes, Plastics, Polyketone, Polymers, Properties, Specification, Symbols, Thermoplastic polymers
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