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CHEMZOL 941

Corrosion Scale Inhibitor Boiler Treatment is a high-performance liquid treatment, specially engineered with phosphate polymers for application in steam boilers.
Formulated for systems utilizing softened make-up water, AquaShield B64 effectively disperses iron and phosphate sludge, ensuring clean and efficient boiler operation.

The advanced polymer blend promotes the transport of calcium, magnesium, iron, phosphate, and silica through the boiler system, preventing the formation of stubborn deposits.
By minimizing scale and sludge buildup, AquaShield B64 helps extend steam production cycles, enhances heat transfer efficiency, and reduces the risk of tube overheating and associated maintenance downtime

Remarks

Frequently Asked Questions about Boiler treatment

Q1. What is a corrosion scale inhibitor and why is it important for boilers?

Answer:

A corrosion scale inhibitor is a chemical solution designed to prevent rust, corrosion, and scale formation inside boiler systems. It protects metal surfaces from degradation and ensures smooth heat transfer, ultimately extending the lifespan of the boiler and reducing energy costs and maintenance downtime.

Q2 How do I choose the right scale inhibitor for my boiler?

Answer:

Choosing the right inhibitor depends on:

  • Boiler pressure and temperature

  • Feedwater quality (e.g., hardness, pH, oxygen content)

  • Type of scaling or corrosion (e.g., calcium carbonate vs. oxygen pitting)

Look for inhibitors that are multi-functional, offering both scale and corrosion protection, and ensure they’re compatible with your boiler material (carbon steel, copper alloys, etc.).

Q3 How often should I dose my boiler with a corrosion scale inhibitor?

Answer:

The frequency of dosing depends on your boiler’s operating conditions, feedwater quality, and the type of inhibitor used. Typically, dosing is done continuously through a dosing pump or daily during boiler operation. Regular water testing and monitoring (pH, conductivity, hardness) is essential to maintain the correct inhibitor levels and ensure optimal protection against corrosion and scale.

Note
Features and Benefits of CHEMZOL 941 Corrosion Scale Inhibitor Phosphate based for Boiler Systems
  • Phosphate-Polymer Blend: Combines the proven benefits of phosphate treatment with advanced polymer technology for superior boiler protection.
  • Effective Sludge Control: Disperses iron and phosphate sludges, preventing buildup and blockages.
  • Enhanced Scale Prevention: Efficiently transports calcium, magnesium, iron, phosphate, and silica through the system to avoid deposit formation.
  • Optimized for Softened Water: Specially designed for steam boilers using softened make-up water.
  • Liquid Formulation: Easy to handle, dose, and integrate into existing treatment programs.
  • Compatible with Boiler Metallurgy: Safe for use across a wide range of boiler materials without risk of corrosion.
  • Increases Steam Production Efficiency: Minimizes scaling and deposits, ensuring uninterrupted heat transfer and maximizing operational performance.
  • Extends Boiler Life: Reduces the risk of tube overheating and mechanical failure, prolonging equipment life.
  • Lowers Maintenance Costs: Prevents the formation of adherent deposits, reducing the frequency of cleaning and unscheduled shutdowns.
  • Improves Operational Safety: Maintains boiler cleanliness, helping to avoid dangerous overheating and pressure issues.
  • Reduces Chemical Consumption: Highly efficient formulation requires lower dosages compared to conventional treatments.
  • Simplifies System Management: Liquid formulation ensures easy and accurate dosing with minimal handling risks.
Parameter Result
Appearance Paly Yellow, Clear liquid
Density 1.01-1.1
Boiling Poitnt  100 degree celcius

Corrosion Inhibitor OPEN Cooling System  scientifically formulated to keep clean open recirculating systems  and also prevent from scale formation . Chemically Corrosion Inhibitor OPEN Cooling System  will disperse scale and corrosive products, silt etc and can be used as an anti-foulant along with other treatments. 

Excellent scale inhibition for a variety of applications including cooling circuits, boilers and RO units.

It is widely used in Boilers, cooling water and membranes

  • Dosage (ppm) = (Feedwater Hardness × F) + (Feedwater Iron × 20)

  • Select Factor F based on boiler pressure:

Use F = 23 for boilers up to 30 bar.

Most industrial and utility boilers globally operate between 10–40 bar (low to medium pressure steam production).

F = 23 works well for boilers using softened feedwater, which is very common internationally.

Even for pressures slightly above 35 bar (up to 45 bar), using F = 24 still keeps treatment safe and effective without under- or overdosing.

 

Manage Phosphate reserve after dosing the product as per below:

Boiler Pressure Phosphate Reserve
0–20 bar 30–70 ppm
21–40 bar 20–50 ppm
41–60 bar 20–40 ppm
61–70 bar 15–30 ppm

 

Maximum pressure limit for this product is 60 bar.

 

OR

Simpler Direction for use

RXSOL Boiler Corrosion Scale Treatment should be dosed continuously to ensure effective boiler protection. It may be applied neat or diluted with soft water or cooled condensate and must be injected using a dedicated dosing system. The product must not be mixed in concentrated form with oxygen scavengers or condensate corrosion inhibitors.

The treatment is normally used together with RXSOL Alkalinity Control as part of a conventional alkaline phosphate programme for high-pressure boilers, where separate control of phosphate and alkalinity is required.

Dosage depends on feed-water quality, boiler design and steam load, and is controlled by maintaining the required phosphate (PO₄) level in boiler water using a standard test kit. As a general guide, dosing at 0.25 litres per tonne typically increases the phosphate reserve by approximately 10 mg/L, depending on water quality.

Corrosion and Scale Inhibitor (Bi-functional) Cooling water System, Phosphate based product.

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