Dust contamination test has nothing to do with blasting profile but is
only to ensure that no dust is deposed on the surface afterwards in
front of paint application.
If this occurs it will cause insufficient adhesion of the paint with
possible rejection if adhesion test need to be executed afterwards.
So yes you still need to execute the contamination test after blasting
in front of painting.
Best Regards,
Herman Pieper
On 22 dec, 10:50, Vivek K <vivekk....@gmail.com> wrote:
> Dear All,
>
> If the blasting profile is to be SA 2 1/2, whether dust contamination test
> is mandatory on the blasted surface.
>
> Thanks and Regards
> K. Vivek
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