At the enterprises of the aviation industry and in the defense industry system, the latest scientific and technical achievements and materials are used, therefore, the use of traditional detergents containing sodochromics is not permissible. A real alternative is the use of degreaser «АРС-20» «АРС-20» is universal for washing and degreasing various non-ferrous metals and their alloys. «АРС-20» is applicable for flushing units and assemblies containing elements from various non-ferrous metals, polymers and painted parts. «АРС-20» is applicable when washing "delicate" polymer coatings, for example, polyamide materials and coatings.