Creation on Metals: OMTech's laser marking spray‘s innovative formula allows creation of high contrast, permanent black designs on bare metals with your 25W and above CO2 laser engraver, or more vivid designs with your fiber laser. Please note that the spray initially appears white but turns black after laser engraving More Materials: Our laser marking fluid works with most metals including aluminum, stainless steel, brass, and many others, letting you personalize jewelry, customize tumblers, serialize tools, and much more Smooth Work Surface: The 13 fluid ounce aerosol can features a clog proof nozzle that sprays the fine-grained agent with even force, leaving a thin and smooth coat of our marking agent on your bare metal surface Quick Drying: The cadmium-free metal marking ink dries in under 5 minutes, or in only 2 minutes with a hot air blower, ensuring hassle-free and efficient operation even for batch production Easy to Use: Once your marking is complete, the unmarked excess spray can be washed off your item with a simple rinse, so you can enjoy and start selling your fresh and unique design right away Mark metal using your CO2 laser engraver with the help of OMTech's laser marking spray! This innovative black laser spray allows your CO2 laser engraving machine to create dark high contrast designs on most common metals, including aluminum, stainless steel, brass, nickel plating, and more. Customize your jewelry, serialize your hardware, design your own tumblers, and more with our versatile laser agent thanks to its powerful spray, fast drying quality, and easily washable consistency. Simply use the 13 ounce aerosol can to apply the agent evenly across your substrate, wait for 5 minutes or use a hot air blower for even faster drying, and engrave your design as normal. After it’s done, just rinse off the excess laser ink around your design and you have a beautifully vivid black marking on your growler, pet tag, or any other bare metal medium! Expand your CO2 machine capabilities with OMTech’s metal marking fluid and let your great new business ideas soar!