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ASTM D2902-21

Current Revision

Standard Specification for Fluoropolymer Resin Heat-Shrinkable Tubing for Electrical Insulation

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1.1 This specification applies to flexible heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene, and from perfluoroalkoxy resin for use as electrical insulation. This specification excludes crosslinked poly(vinylidene fluoride) and poly(vinylidene fluoride) copolymer which are covered under Specification D3144.

Note 1: This standard is similar but not identical to IEC 60684-3-240.

1.2 The values stated in inch-pound units are to be regarded as standard, except temperature, which shall be stated in degrees Celsius. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 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.


This specification applies to flexible fluoropolymer resin heat-shrinkable extruded tubing made from tetrafluoroethylene resin, copolymer of tetrafluoroethylene and hexafluoropropylene (FEP), and from perfluoroalkoxy (PFA) resin for use as electrical insulation. This specification covers three types of tubings, namely: Type I tubing, normally made by paste extrusion, and Type II and Type III tubings, normally made by melt extrusion. The finished compound shall be free of all foreign matter other than intended formulation additives. The material shall conform to the specified chemical and physical property requirements such as: (1) restricted shrinkage, (2) specific gravity, (3) longitudinal change, (4) tensile modulus at elongation, (5) volume resistivity, (6) dielectric breakdown voltage, (7) heat resistance, (8) low-temperature flexibility, and (9) melting point. The dimensional requirements after unrestrictive shrinkage such as inside diameter, wall thickness, and stock lengths are specified. The sampling and test methods to determine conformance to the specified requirements are given.


SDO ASTM: ASTM International
Document Number D2902
Publication Date March 1, 2021
Language en - English
Page Count 7
Revision Level 21
Supercedes
Committee D09.07
Publish Date Document Id Type View
March 1, 2021 D2902-21 Revision
Jan. 15, 2013 D2902-00R13E01 Revision
April 10, 2000 D2902-00 Revision
April 1, 2006 D2902-00R06 Reaffirmation