ASTM-B373 › Historical Revision Information
Standard Specification for Aluminum Foil for Capacitors (Withdrawn 2015)
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This specification covers nine thicknesses of annealed aluminum foil for use in manufacture of capacitors and includes UNS alloy designations A91145 and A91235. Foil to be used as anodes in electrolytic capacitors is beyond the scope of this specification. Requirements for quality assurance, chemical analysis, and tensile breaking load test are detailed. The foil shall conform to the chemical composition requirements prescribed for aluminum, silicon and iron, copper, manganese, magnesium, zinc, vanadium, and titanium, and shall meet the specified requirements for tensile breaking load, direct current electrical resistance, and area per unit weight. The foil shall be supplied with the finish bright on one side and matte on the other, in the dry or slick condition (dry annealed A, dry annealed B, dry annealed C, or slick annealed) and shall be tested for surface condition by water or water-alcohol test. Spooling requirements such as roll dimensions, roll winding, and roll covering are given. Foil splices shall be either welded or knurled and shall be free of splits, slivers, wrinkles, ragged edges, or excessive pinholes.
Scope
1.1 This specification covers nine thicknesses (0.00017 to 0.00050 in. (0.0043 to 0.0127 mm)) of annealed aluminum foil used in the manufacture of capacitors.
1.2 Foil to be used as anodes in electrolytic capacitors is beyond the scope of this specification.
1.3 Alloy designations are in accordance with ANSI H35.1. The equivalent Unified Numbering System alloy designations are those of preceded by A9, for example, A91145 for Aluminum 1145 in accordance with Practice E 527.
1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see .
1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
Keywords
aluminum foil
To find similar documents by ASTM Volume:
02.02 (Aluminum and Magnesium Alloys)
To find similar documents by classification:
29.050 (Superconductivity and conducting materials)
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Document Number
ASTM-B373-00(2006)
Revision Level
2000 R06 EDITION
Status
Superseded
Modification Type
Withdrawn
Publication Date
Dec. 1, 2006
Document Type
Specification
Page Count
6 pages
Committee Number
B07.03