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EVS-EN ISO 2143:2010

Anodizing of aluminium and its alloys - Estimation of loss of absorptive power of anodic oxidation coatings after sealing - Dye spot test with prior acid treatment

Üldinfo
Kehtetu alates 01.12.2017
Alusdokumendid
ISO 2143:2010; EN ISO 2143:2010
Tegevusala (ICS grupid)
25.220.20 Pinnatöötlus
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
01.12.2017
Põhitekst
04.10.2010
Põhitekst
Põhitekst
EVS-EN 12373-4:2001
This International Standard specifies a method of estimating the loss of absorptive power of anodic oxidation coatings that have undergone a sealing treatment, by dye absorption after acid pretreatment. The method is suitable for use as a production control method and is applicable to anodic oxidation coatings which may be subjected to weathering or aggressive environments, or where resistance to staining is important. The method is not applicable to those coatings that: a) are formed on alloys containing more than 2 % copper or 4 % silicon; b) are sealed by the dichromate process; c) have been given supplementary processing, e.g. oiling, waxing or lacquering; d) are coloured in deep shades; e) are less than 3 µm thick. The method is less appropriate where nickel or cobalt salts, or organic additives, have been added to the sealing bath.
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