![]() This also makes it possible to spray further away from the surface without too much falloff because the fan is more focused. Smaller surfaces will require a small fan width to reduce overspray. Most boat projects consist of large surfaces and so a wide fan will increase the spray coverage and also provide the ability to spray close to the surface without too much build up. This causes the tip to have a large impact on the fan width and shape. Airless spray guns have more control over the fan width than conventional spray guns because the coating is forced through the tip without being atomized by air. This determines the appropriate fan width that your sprayer will produce, that is, the shape in which the product will leave the gun nozzle. In second, consider your project surface area.Most painters will stay in the range of 1.2 to 2.0 mm unless the paint being applied is specialized. For example, primers are usually thicker than the accompanying paint so you should use a 1.7 or 1.8 mm tip to prime most surfaces. Heavier coatings will require a larger orifice size than lighter ones. First, examine the coating that will be sprayed. ![]() There are 2 main factors to consider when determining the size tip that will produce the best results.
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