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ASTM D1731-09

Current Revision

Standard Practices for Preparation of Hot-Dip Aluminum Surfaces for Painting

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1.1 These practices describe procedures for the preparation of hot-dip aluminum surfaces for painting.

1.2 This standard may involve hazardous materials, operations, and equipment. 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.

These practices describe procedures for the preparation of hot-dip aluminum surfaces for painting. Two types of surface preparation are included: solvent cleaning and chemical treatments. Solvent cleaning of the surfaces may be done by any of the following methods: manual swabbing or dip washing with a solvent such as mineral spirits or high flask solvent naphtha, solvent spray cleaning, and vapor degreasing in special equipment. On the other hand, surface preparation of aluminum for painting may be achieved by any of the following chemical treatment methods: use of alkaline cleaners, use of alcoholic phosphoric acid cleaners, use of acid fluoride deoxidizer, crystalline phosphate treatment, amorphous phosphate treatment, carbon chromate treatment, amorphous chromate treatment, and acid-bound resinous treatment.


SDO ASTM: ASTM International
Document Number D1731
Publication Date April 15, 2009
Language en - English
Page Count 3
Revision Level 09
Supercedes
Committee B08.07
Publish Date Document Id Type View
April 15, 2009 D1731-09 Revision
Sept. 10, 2003 D1731-03 Revision
May 1, 2020 D1731-09R20 Reaffirmation
Nov. 1, 2014 D1731-09R14 Reaffirmation
Nov. 10, 1998 D1731-67R98 Reaffirmation