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Corrosion inhibitor closed cooling systems Molybdate Phosphonate

Corrosion inhibitor closed cooling systems Molybdate Phosphonate

Corrosion inhibitor closed cooling systems Molybdate Phosphonate manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai UAE, Muscat Oman, Kenya Africa. Get the best quality of Corrosion inhibitor closed cooling systems Molybdate Phosphonate at a competitive price from us. We have ready stock of Corrosion inhibitor closed cooling systems Molybdate Phosphonate in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.

Molybdate and phosphonate based corrosion inhibitor for cooling water system. We are manufacturer and supplier of this special type of corrosion inhibitor which acts as Filming Agent to protect metal surface from corrosion and its chemical reaction also help to prevent formation of calcium phosphate deposition.

RXSOL-40-4018 is a superior molybdate/phosphonate based corrosion inhibitor developed for use in closed cooling water systems. RXSOL-40-4018 prevents corrosion and deposits in closed and aerated cooling water systems. RXSOL-40-4018 contains inhibitors for steel, copper and copper alloys in combination with dispersants. RXSOL-40-4018 keeps the surface of the cooling systems clean and provides thus the basis for the formation of an effective corrosion protection film. 

Sodium molybdate has the advantage in that the dosing of lower ppm's of molybdate allow for lower conductivity of the circulating water. Sodium molybdate at levels of 50-100 ppm offer the same levels of corrosion inhibition that sodium nitrite at levels of 800+ ppm. By utilizing lower concentrations of sodium molybdate, conductivity is kept at a minimum and thus galvanic corrosion potentials are decreased.


Use proper chemical protective hand gloves and Eye Goggles.

Tag Identification

Anti Corrosion chemical products for closed circulation machinery cooling system. Powerful and concentrated cooling water treatement chemicals. Available in Mumbai, Kolkata, Chennai, Visakhapatnam, Fujairah - Middle East


This product can be use with other cooling watertreatment chemicals as it contains with special buffer agent which protect further chemical reaction with other chemicals.


We have other suitable product also for controlling of corrosion in cooling water system... 

Roccor NB Liq Corrosion Scale Inhibitor ( COOLING WATER CORROSION & SCALE INHIBITOR )
Corrosion Inhibitor for Water Systems  having  unique formulation with highly concentrated liquid cooling treatment compound, ferrous & Non ferrous corrosion inhibitors, antiscalants, dispersant and buffer solution of non carbonate. Usefull for use in high or low temperature closed cooling water systems for the prevention of corrosion and scale formation in internal combustion engines, compressors, chiller system and DG sets. Protects all metals including cast iron, mild steels and copper. Recommended ppm levels are easily controlled by standered RXSOL test kit Nitrite / Chloride.

The stable protective microfilm prevents corrosion caused by electrolytic action and the alkaline nature of this product prevents acid attack.

The stability of the added polymers are very useful for water treatment processes. Such polymers with low molecular weights cannot only inhibit calcium, magnesium, and silica scale in cooling towers and boilers, but also help corrosion control by dispersing iron oxide. 

Molybdate-Phosphate for Closed Circulation Machinery Cooling Corrosion inhibitor.



Boiling point [oC]


C Density [kg/m3]

1.12 - 1.20

Flashpoint[oC] TCC

NONE Vapour pressure [mm Hg]

Pour point [oC]

NONE Vapour density [a ir=1]:

Auto-ignition temp [oC] NONE 
Expl.omr. [vol%] Solubility in water [w-%]: 100%
pH : 12.0  on 1% Dilution - 11
Solubility  100% in Distilled water
Rel. evaporation Rate. N/A
Recommend Dosage  ppm LEVEL 1460 to 2070
Soluble in organic solvent: None

RXSOL-40-4018 is mainly applied in secondary cooling water systems of Power Plants, in the cooling systems of blast furnaces, in systems for cooling the molds in continuous casting mills and in hot and cold water systems in the chemical industry. The program should be used with soft water, to avoid calcium phosphate deposition when the water losses are important.


Ingredient: Metal Pretreatment Filming Agent, Film Settlement Agent, Surface Activating Agent, Sodium Molybdate, Organophosphorus etc.                                                                               

Corrosion Rate             : ≤0.125mm / year (Steel)                                                   
Scale Formation Rate  : ≤0.2mm / year

RXSOL-40-4018 is added neat or diluted to the cooling water. RXSOL-40-4018 can be mixed with water in any ratio.

Dosage requirements - The dosage rate is dependent on the system conditions and the amount of water lost from the system.

Systems should maintain 400 ppm - 1000ppm of product in the water, while systems with high water losses should maintain ca. 1500 ppm in the system.

For further technical assistance please contact RX MARINE TECH DEPT.

Corrosion inhibitor, closed cooling systems - molybdate/phosphonate



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