NF EN ISO 1874-1

NF EN ISO 1874-1

December 2000
Standard Cancelled

Plastics - Polyamide (PA) moulding and extrusion materials - Part 1 : designation

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Main informations

Collections

National standards and national normative documents

Publication date

December 2000

Number of pages

15 p.

Reference

NF EN ISO 1874-1

ICS Codes

83.080.20   Thermoplastic materials

Classification index

T50-001-1

Print number

1 - 03/06/2004

International kinship

ISO 1874-1:1992

European kinship

EN ISO 1874-1:2000
Replaced standards (1)
NF ISO 1874-1
October 1988
Standard Cancelled
Plastics. Polyamide (pa) homopolymers for moulding and extrusion. Part 1 : designation.

La présente norme décrit et explicite le système de désignation des résines d'homopolymères polyamides pour moulage et extrusion sur la base du système de désignation international utilisé au TC 61. La désignation comprend quatre parties comportant respectivement et successivement : le symbole, l'application envisagée ou le procédé de transformation, les caractéristiques essentielles, les propriétés de désignation. Pour les trois dernières parties, les informations sont codées à l'aide de lettres ou de chiffres dont les significations sont précisées dans la norme. Les éléments déterminants qui permettent de lire la désignation sont la référence de la norme en tête, puis l'ordre dans lequel se succèdent les lettres et les chiffres.

Standard replaced by (1)
NF EN ISO 1874-1
January 2011
Standard Cancelled
Plastics - Polyamide (PA) moulding and extrusion materials - Part 1 : designation system and basis for specification

<p>ISO 1874-1:2010 establishes a system of designation for polyamide (PA) thermoplastic materials, which may be used as the basis for specifications.</p> <p>It covers polyamide homopolymers for moulding and extrusion based on PA 6, PA 66, PA 69, PA 610, PA 612, PA 11, PA 12, PA MXD6, PA 46, PA 1212, PA 4T, PA 6T and PA 9T and copolyamides of various compositions for moulding and extrusion.</p> <p>The types of polyamide plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties</p> <ol> <li>viscosity number,</li> <li>tensile modulus of elasticity and</li> <li>presence of nucleating agent,</li> </ol> <p>and on information about chemical structure, intended application, method of processing, important properties, additives, colour, fillers and reinforcing materials.</p> <p>The designation system is applicable to all polyamide homopolymers and copolymers. It applies to materials ready for normal use, unmodified and modified by colorants, additives, fillers, reinforcing materials, polymer modifiers, etc.</p> <p>It does not apply to monomer casting-type polyamides of PA 6 and PA 12.</p>

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