Hivatkozási szám

MSZ EN ISO 21970-1:2020

Dokumentumazonosító

174228

Cím

Műanyagok. Poliketon (PK) fröccs- és extrúziós anyagok. 1. rész: Megnevezési rendszer és a műszaki követelmények alapja (ISO 21970-1:2019)

Angol cím

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

Alkalmazási terület

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 types of polyketone plastics are differentiated from each other by a classification system based on appropriate levels of the designatory properties, melting temperature, melt mass-flow rate, temperature of deflection under load and on information about the intended application and/or method of processing, important properties, additives, colour, fillers and reinforcing materials. 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. It is not intended to imply that materials having the same designation give necessarily the same performance. This document does not provide engineering data, performance data or data on processing conditions which may be required to specify a material. If such additional properties are required, they are intended to be determined in accordance with the test methods specified in ISO 21970-2, if suitable. In order to designate a polyketone to meet particular specifications, the requirements are to be given in data block 5 (see 4.1).

ICS

83.080.20 Hőre lágyuló anyagok

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2020-03-01

Forrás

idt EN ISO 21970-1:2019; idt ISO 21970-1:2019

Előd

MSZ EN ISO 21970-1:2019

Utód

Módosítás

SZK-közlemények

Kapcsolódó európai jogszabály

A szabvány

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