| abstract |
The phosphate and chlorine-free detergents and cleaning agents contain 5 - 60% by weight potassium carbonate, 1 - 40% by weight alkali silicate, 1 - 30% by weight of an organic builder substance, 1 - 20% by weight of a polymeric complexing agent, 30-80% by weight of water and 0-5% by weight of free alkali hydroxide. The agents can be used universally, are harmless in toxic terms and show no corrosive effects on metal surfaces such as steel or aluminum. |