Xylene is a fast-evaporating aromatic solvent used to clean tools and equipment after working with solvent-based epoxies and urethanes, and in small amounts as a thinner for some solvent-based coatings.
Understanding Xylene’s Role on a Coatings Job Site
Xylene is one of the standard cleanup solvents in the flooring trade, prized for cutting through uncured epoxy and urethane resin on rollers, brushes, and mixing paddles quickly. It’s also used, sparingly and only per manufacturer instructions, to thin certain solvent-based coatings for spray application.
Xylene vs. Acetone as a Cleaning Solvent
Acetone evaporates faster and is generally preferred for quick wipe-downs and light cleanup, while xylene is slower-evaporating and more effective on partially cured or stubborn epoxy residue. Many crews keep both on hand and reach for whichever fits the job.
Handling and Ventilation
Xylene is flammable and a VOC-contributing solvent with a strong odor, so it should be used with adequate ventilation, away from ignition sources, and stored in approved containers. Prolonged skin contact and inhalation of vapors should be avoided with proper PPE.
Where Xylene Doesn’t Belong
Xylene and other solvents have no place around 100% solids or water-based epoxy systems. Introducing solvent to those formulations can cause defects like pinholing or affect cure. It’s strictly a cleanup and thinning tool for solvent-based products.
Also Called
Xylol
