The ES820L is an Isopropyl Alcohol (IPA) removes all types of residues, oxides, oils and contaminants. The most effective cleaner for removing soils from magnetic and optical heads and disk drives.Specially formulated to safely clean optical and magnetic tape/disk heads, memory systems, and tape transport mechanisms. The isopropyl alcohol is a highly effective, general use cleaning solvent that is used to clean a variety of substrates and remove a variety of soils. This 99% pure IPA is available in a variety of sizes for all types of use.