Circular pits with different sizes on the surface of the paint film of the curtain coater? The common problems of the coating film of the curtain machine include: uneven coating thickness, pitting on the surface of the coating film, round pits on the surface of the coating film, small bubbles on the surface of the coating film, unstable coating film, and film breakage. Analysis of the reasons: < /p> ​

Drench coater

1. The compatibility of the paint itself is not good.

2. The paint is mixed with incompatible materials, such as oils.

3. The surface of the workpiece is contaminated and the dust is not clean.

Recommended solution:

1. Choose UV coatings with good compatibility.

2. Try to avoid being mixed with incompatible materials such as oil and water.

3. Thoroughly remove dust and avoid contamination by other substances, such as solvents.