What causes fish eyes in clear?

Dampen a clean rag in mineral spirits and wipe the surface again; the solvent cleaner will remove any grease, oil (including skin oil) or wax buildup. Any contaminants on the surface at all will result in fish eyes in the clear coat, so make sure you thoroughly clean the surface.
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What are fish eyes in clear coat?

One issue that may occur on a paint job is called “fisheye.” Fisheyes (also known as craters) are an unattractive occurrence that can happen when dirt, wax, oil, or silicone gets stuck under the paint on your car. This causes spots or bubbles in the paint job.
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What causes fish eyes in varnish?

This is known as fish eyes, a condition brought on by the presence of silicones on the surfaces that receive the finish. Silicones are in most furniture-care products today, and for good reason. By lubricating the polishes, they make them easier to apply and also strengthen the protective film left on the surface.
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How do you fix fish eyes?

  1. Remove wet paint film with solvent, clean and refinish.
  2. Add the recommended fisheye eliminator and respray the affected area.
  3. If fisheyes appear in a basecoat, allow the color to flash then spray a mist coat over affected area.
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What causes fish eyes in resin?

Substrate contamination is the most common problem that causes fish eyes and pin holes in epoxy seal coats. Dust, dirt, wax, silicones, even the oil from your fingers when touching the part prior to sealing with epoxy will deter epoxy resins from laying flat and curing with a perfectly smooth surface.
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What Causes Solvent Pop And Fisheye in Automotive Paint?

How do you fix clear coat dimples?

If the defect is superficial:
  1. Sand the area containing dimples with a sander and a P1500 abrasive disc to start with, increasing the grit as needed. ...
  2. Once you have removed the defect, polish the surface of the part with an abrasive polish, and then apply another brightening polish.
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How do you get rid of fisheye in lacquer?

The best way to attack a fisheye problem is to first clean the surface really good after removing the craters and paint. A heavy duty cleaner like TSP, or Krud Kutter, will remove silicone, oil, wax and other contaminants. Scrub the surface with a coarse cleaning pad and carefully rinse with clean water.
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How do I stop solvent popping in clear coat?

  1. Ensure that the surface is scrupulously clean.
  2. Use only recommended thinner.
  3. Apply paint in thin, wet films. ...
  4. Use correct compressed air pressure.
  5. Allow sufficient flash off time before force drying, ensure that the correct drying temperature is not exceeded.
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What do fish eyes look like in paint?

Fish eyes are small, crater-like openings in the finish after it has been applied. They are usually caused by oil and grease on a coating substrate. In car painting, the term "fish eye" refers to a tiny crater that can form on a car's paint job during or after the car is repainted.
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What causes fish eyes in powder coating?

A fair amount of the time, fisheyes are caused by contaminants like oil, silicone, or water; either in the powder itself, on the substrate, or contaminating both during application. Oil and silicone are particularly notorious for causing fisheyes.
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What is orange peel in paint?

Orange peel is typically the result of improper painting technique. It is caused by the quick evaporation of thinner, incorrect spray gun setup (e.g., low air pressure or incorrect nozzle), spraying the paint at an angle other than perpendicular or applying excessive paint.
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How do I get rid of fish eyes in epoxy?

Lightly sand the existing epoxy with 120-150 grit. Care should be taken not to cut through the stain. Apply another seal coat of epoxy using an 1/8" nap foam roller, working to fill in the craters. Allow the epoxy to cure hard, sand entire application flat, and re-coat to finish.
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What causes pitting in polyurethane?

If you used a tack cloth, that could have left tiny bits that would cause the pits. Better clean is a rag dampened with paint thinner. Poly, and especially oil based needs to be applied when temperatures are above 70, with 80's and 90's even better. And you need a really good brush.
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What causes pinholes in clearcoat?

For every 100 degrees that you raise the temperature of a part, gasses trapped inside the substrate will double in volume. That's why, during the curing process, it's common for gasses trapped inside the substrate to push out and escape through the surface of the part, creating pinholes.
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What causes pinholes in clear coat?

Tiny holes in the paint finish. Pinholes are small blisters whose surface has broken during the drying process. Pinholes are often caused by trapped air, trapped solvents and trapped moisture escaping from the film.
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What causes Cissing in paint?

Paint can sometimes appear to separate whilst being applied, with small craters appearing on the surface. Cissing is caused by surface contamination. Wax, grease or even just poorly prepared surfaces will prevent paint adhering to the surface.
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Why am I getting dimples in my epoxy?

Dimples can occur for 3 reasons: temperature fluctuation, micro dust particles and overtorching. To avoid getting dimples in your cured resin, make sure that the temperature in your resin room stays stable, that you use a dustcover and that you only lightly torch your resin!
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How long should I let my tumbler spin?

Let the tumbler turner spin the cup slowly for 6-8 hours.
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