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ASTM D4745-01

Historical Revision

Standard Classification System and Basis for Specification for Filled Polytetrafluoroethlyene (PTFE) Molding and Extrusion Materials Using ASTM Methods

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1.1 This specification covers polytetrafluoroethylene (PTFE) filled molding compounds made with virgin PTFE resins defined in Specification D 4894, except Types I, IV, V, and VI.

Note 1—This specification can be used as a model for other PTFE compounds having particulate fillers that can survive the sintering temperatures of PTFE as can those listed in this specification. This specification is restricted to virgin PTFE for technical reasons. Recycled material cannot be processed successfully.

Note 2—The properties measured on commercially fabricated parts may differ from the listed values for samples prepared by the procedures given in this specification, depending on part geometry and processing parameters.

Note 3—There is no ISO equivalent to this specification.

1.2 The values stated in SI units are to be regarded as standard.

1.3 The following statement applies to the test method portion, Section 12, of this specification: 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 and health practices and determine the applicability of regulatory limitations prior to use. See 9.5 and Note 4 for a specific warning statement.


SDO ASTM: ASTM International
Document Number D4745
Publication Date Nov. 10, 2001
Language en - English
Page Count 6
Revision Level 01
Supercedes
Committee D20.15
Publish Date Document Id Type View
May 1, 2019 D4745-19 Revision
Aug. 1, 2014 D4745-14 Revision
Dec. 1, 2011 D4745-11AE01 Revision
Dec. 1, 2011 D4745-11A Revision
Feb. 1, 2011 D4745-11 Revision
Nov. 1, 2008 D4745-08 Revision
Dec. 1, 2006 D4745-06 Revision
Nov. 10, 2001 D4745-97 Revision
Nov. 10, 2001 D4745-01 Revision
May 1, 2024 D4745-19R24 Reaffirmation