Standard

NS-EN ISO 3210:2010

Withdrawn

Note: This standard has a new edition: NS-EN ISO 3210:2025

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Abstract

ISO 3210:2010 specifies methods of assessing the quality of sealed anodic oxidation coatings on aluminium and its alloys by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution.ISO 3210:2010 consists of the following two methods.Method 1: assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution, without prior acid treatment. Method 2: assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution with prior acid treatment. Method 1 is applicable to anodic oxidation coatings intended for decorative or protective purposes or where resistance to staining is important.Method 2 is applicable to anodic oxidation coatings intended for architectural purposes. For less severe applications, Method 1 may be more suitable.The methods are not applicable to the following:hard-type anodic oxidation coatings which normally are not sealed; anodic oxidation coatings that have been sealed only in dichromate solutions; anodic oxidation coatings produced in chromic acid solutions; anodic oxidation coatings that have undergone a treatment to render them hydrophobic.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 2010-07
  • Version: 1
  • Document type: NAT
  • ICS 25.220.20
  • National Committee SN/K 111/EG 2

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