Many users reflect the use of epoxy floors will appear discoloration phenomenon, affecting the use of the beautiful site, people look uncomfortable, the following is to introduce how to prevent discoloration of epoxy floors: to prevent discoloration of epoxy floors, I hope to help you, in the use of the process Attention to these problems can effectively avoid tarnishing.
1. Epoxy floor should be well mixed before construction.
The density of several kinds of pigments in the multi-color paint is different. The heavy pigments sink gradually in storage and the light pigments float gradually. If the pigments are not stirred uniformly enough, they will not match the original color after application.
2. Metal pigments should be packed with epoxy floor paint.
Metal powder pigments in storage will suffer from corrosion of residual free acid in the epoxy floor and will turn black to green.
3. Epoxy floor paint with high acid value should not be packed in iron drum.
High acidity varnish is easy to react with iron packaging barrel chemical reaction loss varnish transparency decreased, color darkening.
4, select the resin and pigment in the coating formula according to the need.
Individual pigments in the paint have poor light and heat resistance, and some resins have poor weatherability, and are prone to yellowing when exposed to light.
5, attention should be paid to the use of pigments that can react with resins or auxiliaries when designing coating formulations. It is forbidden to mix two different types of coatings without experimentation in the application of epoxy floor paint. Some pigments will undergo chemical changes, losing the inherent coloring power of the pigment, causing coloration or discoloration. Blue or green paint containing iron blue will fade during storage, but the pigment exposed to air after construction will gradually recover.
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