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1.1 This specification covers copolymers of chlorotrifluoroethylene, perfluoroalkoxy, and tetrafluoroethylene and are suitable for extrusion, compression, and injection molding.
1.2 This specification does not cover blended materials and does not cover recycled materials.
1.3 The values stated in SI units as detailed in are to be regarded as the standard. The values given in parentheses are for information only.
1.4 The following safety hazards caveat pertains only to the test method portion, Section This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. , of this specification.
Note 1: Although this classification system and ISO 20568-1 and ISO 20568-2 differ in approach or detail, data obtained using either are technically equivalent.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D618 Practice for Conditioning Plastics for Testing
D638 Test Method for Tensile Properties of Plastics
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D883 Terminology Relating to Plastics
D1238 Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
D1600 Terminology for Abbreviated Terms Relating to Plastics
D3418 Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry
D3892 Practice for Packaging/Packing of Plastics
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ISO StandardsISO 20568-1 ISO 20568-2 PlasticsFluoropolymer Dispersion and Moulding and Extrusion MaterialsPart 2: Preparation of Test Specimens and Determination of Properties
ICS Number Code 83.080.20 (Thermoplastic materials)
UNSPSC Code 13102008(Fluoropolymers PTFE)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D7471-19, Standard Specification for CPT-Fluoropolymer Molding and Extrusion Materials, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top