Dyno Thinner #4 is a high-performance solvent blend composed of aromatic solvents, cellosolve acetate, and ketones. It is specially formulated for the dilution of polyurethane coatings, delivering optimal drying time, solubility, and workability under demanding application conditions.

This thinner is recommended for use with moisture-cured gloss urethanes, two-component Dynothane Enamels, and Damp-Proof Sealers. Its tailored composition ensures a smooth finish and consistent film formation for both brush/roller and spray applications.