KLN 18 Degresaer Chemical Vitarag chemicals is well known manufacturer of Degreasing Chemical. KLN 18 Emulsifying degreasers work by forming an emulsion with the grease or oil, allowing it to be easily rinsed away with water. These degreasers are effective for removing both water-soluble and oil-based contaminants. It looks like you might be referring to Klean Strip Aircraft Paint Remover, commonly known as "KLN 18." This product is a chemical used in aviation maintenance for stripping paint from aircraft surfaces. It's important to note that using aircraft paint removers requires careful handling and adherence to safety guidelines due to the hazardous nature of the chemicals involved.