SAE J314-2002 Felts-Wool and Part Wool

1. Scope-This SAE Standard identifies chemical/mechanical properties, thickness, width, mass, and other requirements recommended for felts(refer to Tables 1 and 2). It was developed with the cooperation of theStandardization Committee of the Felt Association, Inc, and in accordance with the ASTM tests indicated in the document.
The commercial trade designations of the more commonly used grades of automotive felts are given along with complete specifications and tolerances for thickness, mass, wool content, chemical and physical requirements, color, and width.
General information, recommended uses, etc., are published in Appendix A as a guide in the selection of felts for particular uses, but the requirements for each application should be taken into consideration in making final selections.

2. References
2.1 Applicable Publications-The following publications form a part of this specification to the extent specified herein.
2.1.1 ASTM PUBLICATIONS-Available from ASTM,100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.
ASTM D276-Identification of Fibers in Textiles
ASTM D461-Standard Methods of Testing Wool Felt
2.1.2 OTHER PUBLICATIONS
Wool Products Labeling Act,1939

3. Chemical and Mechanical Properties
3.1 The chemical and mechanical requirements for the several grades of automotive felts given in Table 1 include actual wool content(chemical basis), methyl chloroform soluble (percentage of residual oil and grease), water soluble(sizing and nonfibrous impurities), ash (the amount of residual inorganic matter), tensile strength, and splitting resistance.

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