The Elcometer 139 Amine Blush Swab Test Kit is a rapid colourimetric test designed solely for the use in the quick and immediate identification of amine blush (carbamates) on the surface of coatings using surface swabs. The presence of amine blush is indicated by a visual change of colour of the test solution when compared with a control sample.
When using amine cured epoxy resin coatings in a multi-layer system, if the original coating cures in a low ambient temperature and/or in a high humidity environment, problems – referred to in the industry as amine blush can develop.
The presence of amine blush can lead to inter-coat adhesion failures if the film is re-coated.
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