The ZAP heat tool is perfect for applying heat to resin to pop surface bubbles. The low velocity, hot air flow, makes getting rid of those pesky bubbles a breeze! How do you use this heat gun to remove bubbles from resin? Quickly move the heat gun no closer than 1 1/2 inches away from your project to avoid damaging a mold or delicate bezel setting. Repeat as necessary to remove bubbles from the resin surface. Attach the stand rest on the front to allow you to set it on a surface without causing heat damage. Note: Heat gun end will get very hot.