Gel Coat Troubleshooting Guide Quiz

What can cause Wrinkles in gel coat?
Cold Temperatures
Application is less than 5 mils Thick
No Air Inhibitor is Present
Dirt in the Gel Coat Layer
What can cause pinholes in gel coat?
Under-Catalyzation
Cold Temperatures
Air Pockets or Dirt in Gel Coat Layer
Using a Brush to Apply
What can cause a slow gel coat cure
Temperature
Under-Catalyzation
High Levels of Moisture and Humidity
All of the Above
What can cause sagging of the gel coat?
Applying Excessively Heavy Applications
Air Bubbles
Improper Spray Technique
Using a Brush to Apply
What can cause a separation of color in gel coat?
Over-Catalyzation
Improper Spray Technique
Contaminates on Surface
Applying Excessively Heavy Applications
What can cause Fisheyes in gel coat?
No Air Inhibitor is Present
Contaminates on Surface
Using a Brush to Apply
All of the Above
What can cause Craters and pock marks in gel coat?
Air Trapped in Gel Coat
Improper Spray Techniqe
Improper Resin to Catalyst Ratio
Dirt in Gel Coat
What could cause discoloration of finished parts?
Trapped Air in Gel Coat During Coating Process
Applying Excessively Heavy Applications
High Levels of Moisture and Humidity
Dirt in the Gel Coat Layer
What would cause you to see the backup pattern showing through the Gel Coat?
A) Inadequate Thickness
B) Under-Catalyzation
C) Improperly Cured Gel Coat
D) Both A and C
What should you use to make sure the gel coat does not stick to your part in mold?
Styrene Wax
Styrene Thinner
Air Inhibitor
Release Agents
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