How Do You Spray Single Stage Urethane Auto Paint?
Single stage urethane is a one-step painting process for automobiles that avoids the necessity of a clear-coat finish. The paint is durable enough to polish without altering the color tone, and using it reduces the overall refinishing time. The urethane must be mixed with a hardener and reducer before spraying and, while the ratios may vary from product to product, the typical ratio is 4 parts paint to 1 part hardener to 1 part reducer. Apply rust conditioner to rusty areas and use a plastic putty knife to fill holes and dents with body filler. Feather the filler into the body with sandpaper. Mask off all areas not to be painted with tape and masking paper. Apply the tape carefully to avoid messy cleanups of overspray later. Make sure you tape down the sheets of paper to prevent overspray from going underneath them. Fill the cup of the spray gun with primer and turn on the compressor. Test the spray pattern, rotating the nozzle of the gun and the air pressure from the compressor until