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Fisheyes

Fish Eyes

Also known as:
 silicone contamination, poor wetting, saucering, pits, craters, cissing

Description :
Small, crater-like opening in the finish after it has been applied.

auto paint Fish eyes

Origin and Potential Causes:

Improper or insufficient surface cleaning or preparation.         Many waxes and polishes contain silicone, the most             common cause of fish eyes. Silicones adhere firmly to the     paint film and require extra effort for their removal. Even      small quantities in sanding dust, rags can cause this type     of failure.
Effects of the old finish or previous repair. The old finish       or previous repair may contain excessive amounts of            silicone from additives used during their application.            Usually solvent wiping will not remove embedded silicone.
Contamination of air supply, by water or oil.
Oil, wax, grease or silicone contamination.
Use of silicone-containing polishes or aerosol sprays (e.g.     interior cleaners or dressings) in proximity to the spray area.
 

Prevention Techniques:

Precautions should be taken to remove all traces of             silicone by thoroughly cleaning the substrate.
Drain and clean air pressure regulator daily to remove          trapped moisture and dirt. Air compressor tank should          also be drained daily.
Regular maintenance of the air supply

Remedy:

Apply light coats of base coat until defect is covered.
If required or recommended, use fish- eye eliminator.
In severe cases, sand the affected areas, clean thoroughly, isolate and refinish.

Detailed Fish Eyes

auto paint fish eyes

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