This product is based Sulfit binding and reacts with Oxygen gas dissolve in water (SO3 + ½ O2 = SO4). So that it can prevent the occurrence of corrosion in the boiler caused by the oxidation gas is oxygen dissolve. CHEMKAV bwt - 226 is very suitable for working in the Boiler of low and medium pressure steam and that the produce is safe if it is exposed to the food products.