Dried spray can nozzles are just a part of using spray paint cans. Over time, the inside and tips of the nozzles become stopped up with old paint. Although you might feel tempted to throw away the entire can even if it has paint in it, you can save your nozzle and some cash by following a few simple steps or adding a part to your nozzle.
You use the push button on a spray can to disperse paint from the can and spread paint on an object. After a few uses, this button can clog from dried paint becoming trapped in its internal workings. Instead of discarding spray paint cans full of paint due to clogged nozzles, take the nozzle off the spray paint can and place it in a bowl of warm water. Pour a cap full of paint thinner into the bowl, and let the nozzle(s) soak for five to 10 minutes.
Air Out the Valve
Visit a local hardware or electronics store, and purchase an air spray can. Remove the nozzle from the spray paint can, place it on the air can and insert the straw portion of the air spray can into the hole on the face of the spray can nozzle. Spray long streams of air through the spray can valve, which helps push old dried paint out of the valve and cleans the inner workings of the nozzle. Use this method in conjunction with the thinner or by itself to ensure a clean spray and nozzle.
Keep All Nozzles
If you use spray cans as a method for painting often, gather up all your old air nozzles. Anything from deodorant spray nozzles to hairspray nozzles might be able to work on your faulty spray paint nozzle. When keeping nozzles from different types of cans, clean the nozzles properly. If you plan to replace a spray paint nozzle with a hairspray nozzle, check to ensure you've removed all the hairspray from the inner workings and valve of the nozzle so it won't affect your paint job. Clean the nozzles with paint thinner to strip away oils and other residue.
Dry before Use
You might feel tempted to use your new nozzle immediately after cleaning it out with thinner. However, thinner will still become trapped in the inner workings and valve of the nozzle and must dry out before use. Otherwise, thinner will become intertwined with whatever material the can disperses and could create a hazard or ruin your project. Let the nozzles sit out for at least 24 hours before using them.
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