Styrene Monomer can be used to thin resin or gel coat. If you add to much it can affect the products that you are using. All resin and gel coat have styrene already in the mix and by adding to much you can mess with the integrity of the products you are thinning. Reducer for resins, and gelcoats.
Styrene Monomer Thinner for Gelcoat and Resin - Quart
EpoxySupplies
Epoxy - Resin Research Epoxy - Resin Research Components - Fiberglass Supply
Epoxy Resin /Epoxy Hardener
High Viscosity Epoxy Kit
FSD Polyester Resin w/Hardener for Laminating Fiberglass mat, biaxle, Cloth (Gallon)
RV Delamination Injectable Glue -MAX GPE Low Viscosity Epoxy Resin 1.5 Gal Kit Hose & Syringe
Aeromarine Rock and Pebble Paving Epoxy Resin Kit 1.5 Gallons
300/21 White Laminating Epoxy Resin - 1.5 Gallon Kit
300/21 Laminating Epoxy Resin w/ Pumps - 6 Gallon Kit. - Aeromarine Products Inc.
WEST SYSTEM #105-A Epoxy Resin
Ideal for charcuterie boards, wall resin-paintings, coasters, jewelry, ocean-wave effects and more. Its low viscosity reduces the formation of bubbles. Fast curing time increases the artists' productivity and a unique UV resistant technology to avoid yellowing as with other brands. Unique UV Resistance technology to protect from yellowing under normal conditions. Water-like transparency. Super Glossy finish.
Resin Art Flow 1 gal. - Arte Crystal Clear Epoxy Resin for Thin Coating and Encasing of Smaller Objects