LaserBond Metal Marking Spray (SKU: 400330)FEATURES LaserBond 100 aerosol spray is an all purpose laser bonding material for producing permanent black marks on most surfaces and materials and is ready to use. It is ethanol based which allows for a faster drying time. It can be used on a variety of substrates including glass, ceramic, stone, as well as metals including stainless steel, brass, aluminum, copper, titanium, tin, nickel and many others.