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Technical Discussions
joerg neubert
joerg neubert
09:21 Feb-09-2006
Azo free dye penetrants

Hi collegues,
in our company it is standard to use azo-free dye penetrants, but a lot of our suppliers want to use pentrants containing azo chemicals. We are so often asked where it is written that the use of azo-free dye penetrants is forbidden because of a cancer risk.
I would be glad to get any hints, because we know only a recommondation not to use it.
Thanks, Joerg.


 
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