Custom Fiberglass Moldings - Break The Mold
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Despite thorough mixing of the resin and catalyst, not all of the lamination cured, even after sitting for a week. Pappas used a heat gun on the sticky areas to help kick off the resin. To prevent this from happening, be sure to use fresh materials (check for dates on the packaging), and check the temperature and humidity before proceeding so you can adjust the amount of catalyst as needed. After applying the gelcoat (a paint-brush application is sufficient, since further finishing will be done after curing), successive layers of fiberglass should be added while the surface is still tacky so they stick together better. Don’t wait too long, or the inter-laminar bonds will become weaker. View Related Article
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