Karcher Decontamination Chemicals The Kärcher decontamination and cleaning agents were developed and tested in accordance with the NATO standards and guarantee the necessary safety in the framework of radioactive decontamination, disinfection and detoxification after an attack with NBC weapons. Kärcher has the right decontamination for every field of application: Description RM 21 A very mild and dermatologically tested but extremely effective cleaning agent for all kinds of normal decontam ...