SD 404 is an inhibitor used as an anti-scale and anti-corrosion water treatment program for cooling systems.
5L, 20L
Reagents for open circulating cooling systems
Clear liquid from colorless to brown
Faint specific odor
Phosphonocarboxylates, polyacrylates and dispersants
1,00 ÷ 1,45
0,02 – 5,5
SD 404 is an inhibitor used as an anti-scale and anti-corrosion water treatment program for cooling systems.
SD 404 is recommended for open circulating cooling and air conditioning systems. The product is most effective in the pH range from 7.5 to 9.0.
SD 404 is a liquid inhibitor based on phosphonocarboxylates, polyacrylates and dispersants.
SD 404 is an effective inhibitor of CaCO₃, CaSO₃, BaSO₃ deposits, as well as Fe oxides, whose action is based on several mechanisms of deposit inhibition (complexation, dispersion, etc.).
It acts by means of a double corrosion inhibition mechanism with rapid formation of a thin passivation film over the entire metal surface and thus inhibits electrochemical corrosion processes.
SD 404 is resistant to temperature and hydrolytic decomposition.
SD 404 is dosed in concentrated form or diluted with soft water using a metering pump in proportion to the amount of additional water. At the initial stage of dosing, it is necessary to introduce a dose to saturate and passivate the system with the product. If the system was previously contaminated with biological deposits, biological cleaning of the system is mandatory before the initial dose of SD 404 inhibitor is administered.
Corrosion and scale inhibition is achieved by maintaining the system, depending on the water, evaporation rate and stability indices. Control is carried out in the salt transport system. Compatible with many non-oxidizing biocides used for biological control in cooling systems.
