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ASTM D2475-22

Current Revision

Standard Specification for Felt

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1.1 This specification covers all standard types of felt in the form of rolls and sheets that are suitable for mechanical use. Certain special-purpose felts are also covered.

1.2 This specification is not applicable to felt-like products that utilize weaving, knitting, stitching, or bonding such as papermaker's felt.

1.3 Trade practice in the felt industry deals in pounds, yards, and inches, therefore the values stated in inch-pound units are to be regarded as standard. The values in SI units are provided as information only.

1.3.1 The specification referenced in 2.2 uses only inch-pound units.

1.4 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 covers all standard types of felt in the form of rolls and sheets that are suitable for mechanical use. Certain special-purpose felts are also covered. Felts shall be classified according to thickness and mass, properties and general descriptions. Felt classifications shall be based on the Society of Automotive Engineers Specification and the US Department of Defense Federal Specification. Special-purpose felts shall be classified under special-purpose classification. The chemical properties of roll and sheet felt shall conform to the specified requirements. The physical properties of roll and sheet felt such as width, thickness, and mass (weight) per unit area, shall conform to the requirements specified. All the properties, except color, of felt shall be determined in accordance to the test method specified.


SDO ASTM: ASTM International
Document Number D2475
Publication Date June 1, 2022
Language en - English
Page Count 8
Revision Level 22
Supercedes
Committee D13.13
Publish Date Document Id Type View
June 1, 2022 D2475-22 Revision
July 1, 2013 D2475-01R13 Revision
April 10, 2001 D2475-01 Revision
April 10, 2001 D2475-00 Revision
Aug. 1, 2008 D2475-01R08 Reaffirmation
April 10, 2001 D2475-88R00 Reaffirmation