ISO 3210:2010

Anodizing of aluminium and its alloys — Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in phosphoric acid/chromic acid solution

Standard Details

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.

General Information

Status : WITHDRAWN

Standard Type: Main

Document No: ISO 3210:2010

Document Year: 2010

Pages: 6

Edition: 3

Section Volume:
ISO/TC 79/SC 2. Organic and anodic oxidation coatings on aluminium

ICS:
25.220.20 Surface treatment

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