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Why does sagging often occur during liquid coating application?

Sagging is usually caused by applying too thick a layer, slow curing speed, or a low ambient temperature.

What causes pinholes to appear after liquid coating?

Pinholes are often caused by rapid solvent evaporation, uneven substrate roughness, or high humidity.

Why do bubbles appear on the surface after coating?

Bubbles are typically due to trapped air in the coating, high humidity in the environment, or insufficient surface cleaning.

Why does the coating layer appear uneven in color?

Uneven color may result from insufficient mixing, uneven spraying, or irregular absorption by the substrate.

What should be done if the coating’s drying speed is too slow?

Drying speed is affected by temperature, humidity, and the coating formula.

Why does the coating layer easily peel off?

Peeling usually occurs due to inadequate substrate cleaning or insufficient coating adhesion.

Why do cracks appear on the coating surface?

Cracks may result from uneven coating thickness, incomplete curing, or insufficient coating flexibility.

Why does splattering occur during spraying?

Splattering can be caused by excessive spray gun pressure, an improper nozzle, or low coating viscosity.

Why does the coating appear whitish or grayish?

This issue is often due to high humidity or water content in the coating.

How can orange peel texture be prevented after coating?

Orange peel texture is generally caused by poor leveling, high viscosity, or spraying too close.

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