Corrosion inhibitor closed cooling systems Molybdate Phosphonate

Product Overview

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.

Technical Specifications

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Application & Dosage

Application Instructions

Recommended Dosage

Specification	Required Value	Proposed Value	Unit
Base
Using
Sodium Molybdate	Min. 10-20		%wt
MOO₄	Min. 7.5		%wt
Azole Compound	Min. 1		%wt
Polymeric Dispersant	Min. 205		%wt
Ortho PO₄	Min. 4.0		%wt
Total PO₄	Min 5.0		%wt
MO⁶⁺	Min. 4.4		%wt
Specific Gravity @20 ⁰C	1.2 ± 0.05		Kg/m³
pH (1%)	11 ± 0.5		-
pH	Min. 12		-
Flash Point	Min. 100		⁰C
Solubility in Water	Completed		%
Dosage	1500-2000 max		ppm

Available Packaging & Quantities

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.

DOSAGE: Corrosion inhibitor closed cooling systems Molybdate Phosphonate dosages may vary somewhat according to operating conditions, but generally 400-1000 ppm of Corrosion inhibitor closed cooling systems Molybdate Phosphonate should be maintained in the system water. This dosage should be doubled for a two-week period when initiating treatment, whenever the system is refilled with fresh water, and after any major system upsets, in order to establish effective corrosion control. If the stability index of the recirculated water is higher than 10.5, an alkalinity booster such as RXSOL pH Booster should be fed to reduce the index to less than 10.5.

Corrosion inhibitor closed cooling systems Molybdate Phosphonate should not be used when the stability index of the system water is below 3.0.

Corrosion inhibitor closed cooling systems Molybdate Phosphonate is controlled by a molybdate test, which provides easy and accurate control readings. Maintain 1 to 5 ppm MoO4 = at all times.

FEEDING: Corrosion inhibitor closed cooling systems Molybdate Phosphonate must be fed continuously to the system by a positive displacement chemical feeder. For maximum results, feed should be linked to makeup of bleedoff through the use of a flowmeter or conductivity controller. Residuals are adjusted and maintained by chemical test of the system to provide a residual of 1-5 ppm MoO4 = .

HANDLING: Avoid contact with skin and eyes. Wear suitable protective equipment (refer to MSDS for further information).

Handling, Storage & Safety

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Corrosion inhibitor closed cooling systems Molybdate Phosphonate manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai UAE, Muscat Oman, Barka, 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.

Target Industries & Supply Locations

Useful Applications

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.

The synergistic blend provides outstanding multi-metal protection, preventing corrosion on mild steel, copper, brass, and other system alloys. It offers anodic protection, while stabilizing the formulation and controls scale formation. The product ensures long-term system reliability, reduced downtime, and extended equipment life. Designed for industrial and HVAC closed loop applications, it performs effectively at low treatment concentrations.

Supply & Distribution Locations

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. 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.

Water Treatment Chemicals