Terminology
Click on the terms below for an image
Alligatoring
Alligatoring is caused if gel coat was applied too thin or if it catalyzed improperly. The polyester resin contains styrene, which attacks the gel coat. If the gel coat is too thin, it will crinkle.
Blistering caused by a Catalyst drop
Blistering, Gel-Coat vs. Laminate
Chalking
A surface phenomenon indicating degradation of a cosmetic surface. Chalking is a powdery film which appears lighter than the original color.
Fisheye
The effect of surface contamination which causes a circular separation of a paint or gel coat.
Porosity
Entrapped gas bubbles or voids in a gel coat film.
Pre-Release During/After Lamination
Resin Tearing
separation of pigments in a gel coat affecting cosmetic appearance.