Hoppe's No.9 Nitro Powder Solvent Quart. 9 Nitro Powder Solvent Quart 932 is the most universally used solvent for removing primer powder lead and metal fouling - for preventing rust. Hoppes 9 Nitro Solvent is quick super-efficient safe and easy to use. No.9 Hoppe's Solvent flows freely and penetrates rapidly. Note: Hazardous or flammable materials cannot ship UPS red (air) or international. Package Contents Hoppe's No.9 Nitro Powder Solvent Quart 932 Package Contents: Hoppe's No.9 Nitro Powder Solvent Quart 932 Hoppe's No.9 Nitro Powder Solvent Quart 932