Viper NAAC is 97% solid anhydrous sodium acetate. It is widely used for commercial, home, airport and helipad use. It is also certified and meets current FAA specifications. It gives off heat, melting ice faster than common deicers (exothermic). It works faster, longer and requires fewer applications than other deicers. Viper NAAC is chloride / salt free and is safe on concrete, steel reinforcements, rooftops, gutters, vegetation and is pet friendly with suggested application.