Fish Eyes

What it is:

Defects in coatings characterized by small circular craters that look like a fish’s eye.

Causes:

As release agents are designed to prevent adhesion between surfaces, they can interfere with paint adhesion or plating, resulting in a “fish-eye” defect, if they are not properly removed by the cleaning process. Chem-Trend’s release agents are readily cleaned by the alkaline washes typically used before a painting or plating process.

Solutions:

Fish eyes can generally be solved by improving surface tension. Small imperfections can be alleviated through improvement in release agent selection and quality, as well as proper application.

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