Although brushable lacquers can be found, most varieties have to be sprayed because the solvents in which they’re dissolved evaporate quickly. Those kinds come pre-thinned and ready for use, however when the can is left open, the item could thicken and need to be thinned before you can use it. Moreover, thinning fresh lacquer may be desirable to alter its drying time or to promote better leveling on flat surfaces. Thinning to the right consistency is often a matter of trial and error. Unless it is not specified, always use the thinner recommended by the maker of the item that you’re using.
Wear a respirator before you begin working with lacquer or lacquer thinner.
Fill out the cup of a spray gun roughly half full with fresh lacquer from the container. Hold the gun tip approximately 6 inches from a test surface and then spray a coat of material. An uneven spray pattern, sputtering weapon or grainy texture to the surface after the lacquer dries are all signs that the lacquer should be thinned.
Remove the cup and then pour in about 1 or 2 oz of thinner. If a particular sort of thinner is recommended on the lacquer container, then use that thinner. Otherwise, use generic lacquer thinner.
Stir the mixture from the cup for approximately 10 seconds with a stir rod, or screw the cup back onto the gun and then shake it vigorously.
Spray the surface to check the routine and check the finish. If you’ve additional enough thinner, the routine will be and full and the surface smooth and free of lumps. If the lacquer is not thin enough, then add another ounce of thinner.
Insert more lacquer into the mixture if the finish runs or separates. This is most likely to occur whenever you are spaying metal and you over-thin the material. After the consistency is best, the finish will level smoothly into some glass-like consistency before it dries.
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