MCW Mild Lacquer Thinner MLT 16ozMCW Mild Lacquer Thinner MLT 16oz Leveling Thinner universal for most paints. MCW Mild Lacquer Thinner is your go to replacement for hard to find leveling thinners. Specially formulated as a mild retarding thinner, it slows evaporation to allow solvent based paints to self level, resulting in a smoother, higher quality finish. Compatible with most solvent based paints, this thinner is ideal for achieving professional results in both hobby and