Hoppes No 9 Nitro Powder Solvent 4 oz Bottle. Perfect for a weekend project or for a cleaning day at the gun club these Gun Cleaning Kits created by Hoppe's 9 lets you sprinkle some magic dust on your weapon and clean it quickly with powerful odor elimination. Nitro power solvent is a potent cleaning compound made with an incredibly powerful and effective blend of hexane propane and butadiene that destroys carbon buildup and other residues after coming into contact with various metals. Nitro powder solvent penetrates a variety of rusted or carbonized materials to take care of even the dirtiest or dirtiest tasks. Simply follow the directions on the Hoppe's 9 Nitro Powder Solvent packet and watch your creation transform from dirty to pristine Specifications for Hoppes No 9 Nitro Powder Solvent 4 oz Bottle: Manufacturer: Hoppe's 9 Volume: 16 oz Production Year: 1903 - 1908 Package Contents: Hoppes No 9 Nitro Powder Solvent 4 oz Bottle Hoppes No 9 Nitro Powder Solvent 4 oz Bottle 904