How to Spray a HVLP Spray Gun Proper handling of the gun is critical for results that will produce a professional finish. The gun should be held perpendicular to the surface being covered, and moved across the surface parallel. It is important to begin the stroke before the gun is triggered so as to not build up paint at the beginning of the stroke. Also, release the trigger before the stroke has ended so you keep an even film build. This is an on and off technique. Watch the trigger as the person applies the material on the board in this video. The distance between the gun and the surface must be held at an even distance throughout the stroke, between 4 to 12 inches, depending on spray guns and the material and atomizing pressure. HVLP is usually applied to target at a closer distance than Conventional. Overlap each stroke by approximately 50% to 75% to achieve an even film build.
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