Mykon™ ATC Bleach Activator Blue is a tetraacetylethylenediamine (TAED) granule for bleach activation in powder detergents used in standard quality water. It is a safe way and effective way of delivering the correct amount of powerful bleach in situ. because the product only activates when water is added. Mykon™ ATC Bleach Activator Blue has been used extensively for over 30 years in laundry powder and automatic dishwashing applications. It is non-toxic, non-sensitizing and biodegradable. Mykon™ ATC Bleach Activator Blue can be used with a wide temperature range with the optimal being 20-60*C.