No...its a wrong practice....you have to use lint free cotton...because it may possible in case of wire brush that it will remove the penetrant from flaws as well and in penetrant test, to have sufficient penetrant presnce in flaws during the is mandatory...
On Oct 12, 2016 2:30 PM, "israr ahmed" <ahmedisrar.nm@gmail.com> wrote:
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During pt examination on weld we are using wire brush wrapped with cloth to remove penetrant from the grooves of weld passes.
Can anybody reply. Is it correct practice?
With ref to code and std.
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