How to prevent cracks after paint film drying

2022-07-22
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The reasons for cracks after paint film-forming and drying are as follows: (1) two component or multi-component paint, too much driers, too high hardness and poor toughness. (2) The paint film is too thick at one time, wet inside and dry outside. (3) Mixed color is not fully stirred before application, local pigments are too much, and the adhesion decreases

paint> the reasons for cracks after paint film drying are:

(1) two component or multi-component paint, too much driers, too high hardness and poor toughness

(2) the paint film is too thick at one time, wet inside and dry outside

(3) insufficient mixing before mixed color application, excessive local pigments and reduced adhesion

(4) too many volatile components in the surface paint film affect the film-forming adhesion

(5) the resin in the material is not completely removed, and the shrinkage rate of the material is too large

(6) the floor shrinkage is too large, or the floor shelving is arranged too thinly, and the floor elasticity is too large

prevention method:

(1) the proportion of two-component or multi-component paint shall be in strict accordance with the instructions, and it shall be fully stirred during use

(2) the paint should not be too thick

(3) the mixed color paint shall be applied after being fully stirred

(4) control the proportion of volatile components in the surface paint film

(5) thoroughly clean the material base

(6) select high-quality floors and correctly arrange the ground shelves

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