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BS EN ISO 20568-1:2017

Current
Current

The latest, up-to-date edition.

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

Hardcopy , PDF

Language(s)

English

Published date

05-16-2018

This document establishes a system of designation for fluoropolymer materials, which may be used as the basis for specifications. The various types of fluoropolymer are differentiated from each other by a classification system based on appropriate levels of the designatory properties and on information about the intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials. For polytetrafluoroethylene (PTFE) For PTFE granular moulding and ram extrusion materials, and for PTFE resin produced from coagulation of dispersion: standard specific gravity (SSG) bulk density particle size For aqueous dispersion of PTFE PTFE percentage in dispersion surfactant percentage in dispersion surfactant tolerance level For melt processable resins For CPT, ECTFE, EFEP, ETFE, FEP, PFA, PVDF, PVF, VDF/CTFE, VDF/HFP, VDF/TFE, VDF/TFE/HFP melting-peak temperature melt mass-flow rate For PCTFE zero-strength time (ZST) For TFE/PDD glass transition temperature ( T g) For aqueous dispersion of melt processable resins (ETFE, FEP, PFA, PVDF, PVF, VDF/CTFE, VDF/HFP, VDF/TFE, VDF/TFE/HFP) polymer percentage in dispersion surfactant percentage in dispersion surfactant tolerance level The designation system is applicable to all fluoropolymers and blends. It applies to unmodified materials ready for normal use and materials modified, for example, by colorants, additives, fillers, reinforcing materials and polymer modifiers. 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 ISO20568‑2 , if suitable. In order to specify a thermoplastic material for a particular specification, the requirements are to be given in data block 5 (see 4.1).

Committee
PRI/82
DevelopmentNote
Supersedes 15/30321222 DC. (10/2017)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 20568-1:2017 Identical
ISO 20568-1:2017 Identical

ASTM D 1430 : 2017 : REDLINE Standard Classification System for Polychlorotrifluoroethylene (PCTFE) Plastics
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
ASTM D 2116 : 2016 : REDLINE Standard Specification for FEP Resin Molding and Extrusion Materials
ASTM D 4441 : 2015 : REDLINE Standard Specification for Aqueous Dispersions of Polytetrafluoroethylene
ISO 11357-3:2011 Plastics Differential scanning calorimetry (DSC) Part 3: Determination of temperature and enthalpy of melting and crystallization
ISO 20568-2:2017 Plastics Fluoropolymer dispersions and moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties
ISO 11357-2:2013 Plastics Differential scanning calorimetry (DSC) Part 2: Determination of glass transition temperature and glass transition step height
ISO 472:2013 Plastics Vocabulary
ISO 1043-1:2011 Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special characteristics

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