tech tip tuesday – Fiberglass Coatings

5 Tips on Various Fiberglass Coatings Solvents

June 23, 2015June 23, 2015FGCILeave a comment

1. Acetone is good for cleaning polyesters, but not epoxies.

2. Lacquer Thinner tends to be a good solvent for cleaning surfaces to remove wax and oils.

3. Isopropyl Alcohol 99% (water free) is a mild solvent that is recommended when using Epoxy Table Top Resin and cleaning new epoxy surfaces.

4. Mineral Spirits works well with paint and polyurethane enamel.

5. Styrene reduces polyester, iso and vinyl ester resins for better wood penetration.

4 Tips for Using Brushable Gelcoat

April 28, 2015April 28, 2015FGCI3 Comments

1. High quality paintbrushes and rollers will yield the smoothest surface upon application.
2. If you want to prolong your working time, you can chill the brushable gelcoat down to 60°F.
3. Spray guns that have a 2.0 nozzle or bigger can be used to spray brushable gelcoat.
4. Brushable gelcoats are intended for use under controlled industrial conditions and are not recommend to be used below 65°F.

4 Tips for Polyester Resins

April 21, 2015April 21, 2015FGCILeave a comment

1. Polyester resins have a shelf life of 3 months, when kept at temperatures of 77°F or below.
2. MEKP catalyst is recommended for use with this product to work properly.
3. We do not recommended cutting back on the MEKP catalyst.
4. As the weather gets warmer outside, chilling the product will give you more working time.