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โก Thin it right, spray it smooth โ the proโs secret weapon!
Fiberglass Supply Depotโs Styrene Monomer Thinner is a high-purity solvent designed to optimize polyester resin and gelcoat viscosity for superior spray application. Perfectly formulated for marine, automotive, and industrial composite use, it ensures smooth atomization and flawless surface finishes. Packaged in a convenient pint for precise mixing, itโs the essential choice for professionals demanding consistent, high-quality results.





| Customer Reviews | 4.6 out of 5 stars 118 Reviews |
J**B
quality of styrene is perfect
This is a good product, but don't leave styrene for a long time in a plastic bottle (this comes in); it will eat the plastic in a year or two and go solid on you; don't ask how I know. Glass or metal survives indefinatly, not plastic.
R**B
excellent product
product arrived i checked item everything appears correct i intend to use it in the coming weeks.
M**X
Quality product
Iโve bought from this company for years never disappointed
D**.
Paint
Arrived on time did what it was supposed to do
A**I
Works
Allows thinning gel coat so it can be shot from a spray gun.
J**D
Fiberglass products
Incredible people to deal with. Great product. Buy on the regular. Used to make monster truck bodies.
A**R
Great quality
Everything I ordered from this company has been excellent
M**I
Necessary for the process I'm going to do.
Haven't used it yet, but just being on the shelf, unopened, in the zip lock bag it was shipped in, it sure permiates the sir. This will be my first time spraying poly resin and I also picked up all the ppe I'll need.
Trustpilot
3 weeks ago
5 days ago