Ultrasonic Cleaning Solution is Specially Formulated To Work in Ultrasonic Cleaning Tanks. Non-corrosive to aluminum or metal parts. Effectively breaks up and removes fouling. Cleans residue from actions receivers trigger assembly etc. Dissolves oil grease and powder build-up. Biodegradable Environment Friendly. Non-toxic Non-flammable Non-Hazardous. Non-corrosive to aluminum or metal parts. Effectively breaks up and removes fouling.