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Two days ago I have painted car. After drying of clear coat I noticed what that surface became like "white fog". I tried to polish surface however it became a little clearly and transparent. What is the problem? I used a very quality clear coat. What I have done wrong. Joe from Toronto.

Dear Joe. You are right. This is one of the most common car paint defects in our region and in Toronto in particular.
Autumn time is a very rainy and wet season. The turbidity manifests itself in the form of milky white "fog" on the painted surface.
If turbidity is present on the paintwork, it can also be present on the primer.
Note that turbidity on the primer coating may be invisible (since it is usually opaque), but later it can develop into bubbling or loss of adhesion.

Turbulence can occur if the painting is done at low temperature and high humidity, and is caused by moisture that has fallen into the paint layer.
During the spraying process, the solvent evaporates rapidly, resulting in a cooling of the paint site.
Moisture from the surrounding air condenses on a fresh paint layer, which leads to the appearance of milky white "fog".

Possible reasons for this are:
a) Using of a low-quality (cheap) solvent.
b) Using of a rapidly evaporating solvent in conditions of low temperature and high humidity. In such conditions, a special type of solvent must be used. In addition, use a minimum amount of solvent, otherwise the drying process of the applied coating will slow down considerably.
c) The operating parameters of the spray gun, the incorrect painting technique or the excess air pressure are incorrectly set.
d) Incorrect air circulation or insufficient temperature in the workplace.
e) The solvent evaporates too rapidly when the air stream is directed to the paint layer.
f) Draft in the workshop.

Ways of elimination:

a) In case of light haze, wait until the clear coat is completely dry and repair the defect with polishing.
b) Recolor the defective areas using a special solvent.
c) Spray on the defective areas of the above special solvent. Under proper conditions, this will eliminate turbidity.
d) If none of the above methods yields results, increase the air temperature in the workplace by at least 5° and ensure the absence of drafts.

Also we recommend you to try our new Clear Coat Magnum 17. It is less susceptible to humidity.
Best wishes Troton Canada Inc.

Troton of Canada is often asked to find a defect that resembles the skin of an orange.

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