In the actual operation process, many users indicated that there was a color phenomenon in the reaction of Wuxi epoxy floor paint. It was recognized that the users should mix the epoxy floor paint well before construction. After the quality density of several kinds of pigments in the pigments, heavy pigments gradually sink in the stores, and light pigments gradually increase. If not fully stirred in use, inconsistencies and original colors will appear after construction. What factors lead to discoloration of epoxy floors?
Metal paint should be separated from varnish. During the storage of metal powder pigments, the corrosion of residual free acids in paints will turn green. High acid value coatings should not be packed in iron drums. High acid value varnish is easy to cause the chemical reaction of iron packaging barrel. The transparency of varnish decreases and the color becomes darker.
Select the resin and pigments in the paint formulation according to the requirements. The light and heat resistance of individual pigments in coatings are not good. Some varieties have poor weather resistance.
In the formulation design of coatings, it should be noted that pigments which react with resins or additives should not be used. It is forbidden to mix and colour two different types of pigments during construction adjustment. Some pigments in materials will undergo chemical changes and lose the inherent pigments in pigments, leading to discoloration or discoloration. If blue or green paint contains iron blue, it will fade during storage, but the paint will gradually recover after construction.
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