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ASTM B680-80(2000)

Historical Reaffirmation

Standard Test Method for Seal Quality of Anodic Coatings on Aluminum by Acid Dissolution

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1.1 This test method covers a test for the quality of seal of porous anodic coatings on aluminum and its alloys. It is based upon the loss in mass of the coating after immersion in a warm phosphoric-chromic acid solution.

1.2 This test method is applicable to anodic coatings intended for exposure to the weather, or for protective purposes in corrosive media, and where resistance to staining is important.

1.3 This test method is not applicable to:

1.3.1 Hard coatings, which normally are not sealed.

1.3.2 Anodic coatings that have been sealed only in dichromate solutions.

1.3.3 Anodic coatings that have undergone a treatment to render them hydrophobic.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.


SDO ASTM: ASTM International
Document Number B680
Publication Date March 10, 2000
Language en - English
Page Count 2
Revision Level 80(2000)
Supercedes
Committee B08.07
Publish Date Document Id Type View
June 1, 2024 B0680-24 Revision
Oct. 1, 2019 B0680-80R19 Reaffirmation
Nov. 1, 2014 B0680-80R14 Reaffirmation
April 15, 2009 B0680-80R09 Reaffirmation
Oct. 1, 2004 B0680-80R04 Reaffirmation
March 10, 2000 B0680-80R00 Reaffirmation