Astro-Kote LT is a solvent-based rust preventative coating designed to provide exceptional protection against rust and staining on ferrous materials. It is also non-staining to a variety of non-ferrous metals, including aluminum, zinc, copper and brass. Astro-Kote LT may be used to protect castings, cast iron, steels and packaged parts from rust. This product is intended to be used as received, with no mixing or dilution needed. It is not to be mixed with water.