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BS EN ISO 17855-1:2014

Current
Current

The latest, up-to-date edition.

Plastics. Polyethylene (PE) moulding and extrusion materials Designation system and basis for specifications
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-2014

Foreword
1 Scope
2 Normative references
3 Designation and specification system
4 Examples of designations

Defines a system of designation for polyethylene thermoplastic material, which may be used as the basis for specifications.

1.1 This part of ISO17855 establishes a system of designation for polyethylene thermoplastic material, which may be used as the basis for specifications. 1.2 The types of polyethylene plastics are differentiated from each other by a classification system based on appropriate levels of the designatory properties density, melt mass-flow rate, and on information about the intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials. 1.3 This part of ISO17855 is applicable to all polyethylene homopolymers and to copolymers of ethylene having a content of other 1-olefinic monomers of less than 50% (mass fraction) and a content of non-olefinic monomers with functional groups up to a maximum of 3% (mass fraction). It applies to materials ready for normal use in the form of powder, granules or pellets, unmodified or modified by colorants, additives, fillers, etc. This part of ISO17855 does not apply to masterbatches or to EPM rubber. This part of ISO17855 also does not apply to PE-UHMW. It should reference to ISO11542-1 for PE-UHMW. 1.4 It is not intended to imply that materials having the same designation give necessarily the same performance. This part of ISO17855 does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. If such additional properties are required, they shall be determined in accordance with the test methods specified in ISO1872-2, if suitable. 1.5 In order to specify a thermoplastic material for a particular application or to ensure reproducible processing, additional requirements may be given in data block 5 (see Clause3, introductory paragraph).

Committee
PRI/82
DevelopmentNote
Supersedes BS EN ISO 1872-1 & 12/30255607 DC. (11/2014)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 17855-1:2014 Identical
ISO 17855-1:2014 Identical

ISO 1133-1:2011 Plastics Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics Part 1: Standard method
ISO 1183-1:2012 Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method
ISO 1872-2:2007 Plastics Polyethylene (PE) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties
ISO 11542-1:2001 Plastics Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials Part 1: Designation system and basis for specifications
ISO 1183-2:2004 Plastics Methods for determining the density of non-cellular plastics Part 2: Density gradient column method
ISO 1183-3:1999 Plastics Methods for determining the density of non-cellular plastics Part 3: Gas pyknometer method
ISO 1043-1:2011 Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special characteristics

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