84 disinfectant is a strong disinfectant with strong corrosive properties and is applied in the following proportions: 1. 1:9 for disinfection of eating utensils, soak for 20 minutes. 2. 1:29 for disinfection of toilets, toilets, floors, etc., soak for 20 minutes, especially for wipes and mops. 3. 1:29 for disinfection of towels and other fabrics. 4. 84 disinfectant is very corrosive, not suitable for hand disinfection, and not suitable for some clothing disinfection, in order to prevent its decolorization, resulting in unwearable.