Norm

NEN-EN-ISO 2143:2009-7 Ontw. en

Anodiseren van aluminium en aluminiumlegeringen - Schatting van het verlies aan absorberend vermogen van anodische aangebrachte oxidelagen na afdichting - Kleurvlekproef met voorafgaand een zuurbehandeling

  • Deze norm is ingetrokken sinds 12-07-2010

25,62

Over deze norm

Status Ingetrokken
Aantal pagina's 11
Commissie Metallieke deklagen
Gepubliceerd op 01-08-2009
Taal Engels
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; for example, oiling, waxing or lacquering; d) are coloured in deep shades; e) are less that 3 μm thick. The method is less appropriate where nickel or cobalt salts, or organic additives, have been added to the sealing bath.

Details

ICS-code 25.220.20
Nederlandse titel Anodiseren van aluminium en aluminiumlegeringen - Schatting van het verlies aan absorberend vermogen van anodische aangebrachte oxidelagen na afdichting - Kleurvlekproef met voorafgaand een zuurbehandeling
Engelse titel 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
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