Guangzhou Steel teach you: how to deal with sagging appear on fireproof coatings?
Guangzhou fireproof coatings sagging factors and approaches:
Steel major factor in fire retardant paint coating sagging are the two factors that attributed to the construction aspects of the film and a painting too thick, perhaps at the time of coating paint thinner to participate too much; Second, paint connotation of quality defects children form a coating film sagging. Attributed to the first factor, the coating should be requested at the time of coating, each coat is too thick, paint before painting, if you need to participate in a diluent, that does not add too much paint viscosity is too low.
Solvent-based coatings with very good leveling, when a painting of the resulting wet coating film is formed thicker simple sagging. To avoid paint sagging, may be considered in paint production. For example, the use of appropriate anti-sagging additive the coating has a suitable rheology. Such aid is attributable to organic swelling bentonite, hydrogenated castor oil and the like.
Fireproof paint sagging approach:
If the coating is dry, it can immediately wipe and scratch coating, which is the most common way;
If the coating has dried can be sanded sagging site, and then re-painted all over again, then you can achieve the desired effect;
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