RXSOL TECHNICAL PRODUCT BULLETIN
HVAC CHILLER DESCALING CHEMICAL
High Performance Scale Remover for HVAC Chillers, Heat Exchangers, Condensers and Cooling Water Systems
Brand: RXSOL Product Category: HVAC Maintenance Chemicals / Industrial Descaling Chemicals Product Type: Inhibited Acid-Based Descaling Chemical (Proposed Formulation) Application: Chiller Condensers, Heat Exchangers, Cooling Towers and Industrial Water Circuits
Product Description
Descaling Chemical Compound for Chiller & Condenser Tubes of Central AC Plants
Descaling chemical compounds for chillers and condenser tubes are specialized cleaning chemicals used to remove scale, mineral deposits, rust, corrosion products, and waterborne deposits from HVAC and central air-conditioning systems.
In central AC plants, hard-water deposits can accumulate on the internal surfaces of chiller heat exchangers, condenser tubes, cooling-water circuits, and associated equipment. If these deposits are not controlled, they can reduce heat-transfer efficiency, increase energy consumption, restrict water flow, and negatively affect overall chiller performance.
A properly selected chiller descaling chemical helps dissolve and remove these deposits while supporting efficient heat transfer and restoring system performance.
Descaling Chemical Compound Suitable for Descaling of Copper tube of Chillers and Condenser of Air Conditioning Plant. Advanced formulation and Non Corrosive to material Non Polluting and Effective to remove Scale deposited inside Copper tubes. This Compound is Safe to handle also.
What Causes Scale in Chiller & Condenser Tubes?
Central AC plants often operate with continuous water circulation. Depending on water chemistry, minerals such as calcium carbonate, calcium sulfate, magnesium deposits, silica, iron oxides, and other contaminants can accumulate on heat-transfer surfaces.
The problem can become more severe when:
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Hard water is used
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Cooling-water treatment is inadequate
-
Water circulation is poor
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Blowdown is insufficient
-
pH and alkalinity are not properly controlled
-
Equipment operates continuously for long periods
The resulting deposits form an insulating layer over heat-transfer surfaces.
RXSOL-41-8865-025 contains a powerful dissolving agent for various mineral compounds. Early stage uses of RXSOL-41-8865-025 prohibit scales build up which results in tube blockage, or regular cleaning is recommended as well. It is impossible to do a circulating cleaning when the tube is completely blocked.
* Calcium sulfate is easier to be formed when the temperature goes higher.
The most effective method of RXSOL-41-8865-025 is circulation for large systems or components. In the case of small components, the soak method in an immersion bath can be used.
If the equipment to be cleaned is contaminated by oil, grease, sludge or carbonised oil, then pre-cleaning with RXSOL-20-2002-SC or Rxsol-10-1006 is necessary.
Why Chiller Descaling is Important
Scale acts as a thermal barrier between the circulating water and the metal surface. Even a relatively thin deposit can reduce heat-transfer efficiency.
Regular inspection and appropriate chemical cleaning can help:
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Restore heat-transfer efficiency
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Improve condenser performance
-
Reduce energy consumption
-
Improve chilled-water system operation
-
Remove mineral deposits
-
Improve water circulation
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Reduce maintenance problems
-
Extend equipment service life
Descaling Chemical compound Should have following Properties
|
Odour |
Characteristic smell |
|
Appearance |
Viscous Liquid, soluble in water |
|
pH (Neat) |
< 2.0 at 100 % concentration |
|
Boiling point |
~ 100 °C at 760 mm /Hg |
|
Vapour pressure |
105.5 at 20 deg C |
|
Specific gravity (water=1) |
1.20±0.05 |
|
Freezing point~ |
30 °C at 760 mm/Hg |
|
Solubility with water at 20 degree C |
100% |
| Flammable | Non combustible |
Applications of Descaling Chemical
A suitable descaling chemical compound can be used for cleaning various components of central AC and HVAC systems, subject to material compatibility.
1. Chiller Heat Exchangers
Chemical descaling can help remove mineral deposits from heat-transfer surfaces inside compatible chiller heat exchangers.
2. Condenser Tubes
Condenser tube descaling is one of the most important applications. Deposits inside condenser tubes can restrict water flow and reduce heat transfer between the refrigerant system and cooling water.
3. Central AC Plants
Large central air-conditioning systems can develop scale and deposits in cooling-water circuits over time. Periodic chemical cleaning can help maintain system efficiency.
4. Cooling Water Circuits
Descaling chemicals may also be used in selected cooling-water equipment, heat exchangers, pipelines, and associated components.
How Does Chiller Descaling Chemical Work?
Most descaling formulations use an acidic or specialty chelating chemistry capable of dissolving mineral deposits. The chemical reacts with deposits such as carbonate scale and converts them into soluble compounds that can be removed during circulation and flushing.
The choice of chemistry depends on:
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Type of scale
-
Thickness of deposits
-
Equipment metallurgy
-
Presence of copper, brass, steel, stainless steel, or other materials
-
System temperature
-
Cleaning time
-
Required cleaning strength
-
Environmental and discharge requirements
For this reason, the strongest acid is not necessarily the best descaling chemical. A properly formulated product should balance deposit removal with material compatibility and corrosion control.
Descaling Condenser Tubes in Central AC Plants
A typical chemical-cleaning procedure involves isolating the equipment, circulating the appropriate diluted descaling solution through the affected circuit, monitoring the cleaning process, and subsequently flushing the system thoroughly with clean water.
Before chemical cleaning:
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Identify the type of scale.
-
Confirm the metallurgy of the condenser/chiller.
-
Isolate the equipment safely.
-
Inspect the system and establish the required cleaning method.
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Prepare the descaling solution according to the manufacturer's instructions.
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Circulate the solution for the recommended period.
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Monitor pH and cleaning progress where appropriate.
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Drain the spent solution safely.
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Thoroughly rinse and neutralize the system as required.
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Return the equipment to service after confirming acceptable conditions.
Dosage, concentration, circulation time, and neutralization requirements should always be based on the specific chemical manufacturer's technical instructions.
Advantages of a Quality Chiller Descaler
A properly formulated descaling compound can offer:
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Effective removal of carbonate scale
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Removal of mineral deposits
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Improved heat transfer
-
Better condenser efficiency
-
Improved water flow
-
Reduced maintenance requirements
-
Faster cleaning compared with mechanical methods in suitable applications
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Corrosion-inhibited cleaning when the formulation is designed for the equipment
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Application flexibility for HVAC and industrial heat exchangers
Descaling Chemical Compound for Chiller, Condenser tube of Central AC Plant manufacturer and supplier in INDIA and Middle East. We have stock point in Navi Mumbai - Turbha, Mumbai, JNPT, Surat, Gandhidham, Mundra, Kandla, Chennai, Ennore, Vizag, Visakhapatnam, Kakinada, Kolkata, Haldia, PAradip, Manglore, Goa. And in GULF we have supply range for Fujairah, Dubai, Sharjah, Abu Dhabi, Saudi, Kuwait.
Our name is very popular for producer and exporter of Descaling Chemical Compound for Chiller, Condenser tube of Central AC Plant .
RXSOL- 41-8865-025 should alway be used in plastic bucket. RXSOL-41-8865-025 should always be added in , never add water in RXSOL-41-8865-025.
Chiller Descaler with Corrosion Inhibitor
A professional-grade chiller descaling chemical may contain corrosion inhibitors to help minimize attack on compatible metal surfaces during the cleaning process.
However, corrosion-inhibited does not mean universally safe for every metal. Compatibility testing is particularly important where systems contain copper, brass, galvanized steel, aluminum, stainless steel, rubber components, coatings, or mixed metallurgy.
Descaling Chemical for Condenser Tubes – Supplier
When selecting a descaling chemical supplier for chiller and condenser tubes, customers should look for a supplier that can provide technical guidance according to the type of equipment and deposit.
Important documentation includes:
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Technical Data Sheet (TDS)
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Safety Data Sheet (SDS)
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Recommended dilution ratio
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Application procedure
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Material compatibility information
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Storage and handling instructions
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Certificate of Analysis (COA), where applicable
Preventing Scale After Descaling
Chemical cleaning removes existing deposits, but proper water treatment is important to prevent rapid scale redevelopment.
A comprehensive central AC water-treatment program may include:
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Scale inhibitor
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Corrosion inhibitor
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Biocide
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pH control
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Water-quality monitoring
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Proper blowdown
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Periodic condenser inspection
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Regular cleaning and maintenance
Combining preventive water treatment with periodic descaling can help maintain long-term chiller and condenser performance.
Safety Precautions
Descaling chemicals may contain acidic or otherwise reactive ingredients. They should be handled only by trained personnel using appropriate gloves, goggles/face protection, protective clothing, and other PPE specified in the SDS.
Never mix different cleaning chemicals unless compatibility has been confirmed by the manufacturer. Ensure adequate ventilation and follow applicable procedures for chemical disposal and wastewater discharge.
Conclusion
Descaling Chemical Compound for Chillers and Condenser Tubes of Central AC Plants is an important maintenance solution for removing mineral scale and deposits that reduce heat-transfer efficiency.
Regular inspection, appropriate chemical descaling, and preventive cooling-water treatment can help maintain efficient heat transfer, stable chiller operation, improved condenser performance, and longer equipment service life.
For central AC plants, commercial HVAC systems, hospitals, hotels, malls, industrial facilities, and other large cooling installations, the correct descaling chemical should always be selected according to the deposit type, equipment metallurgy, system design, and manufacturer's cleaning recommendations.
| Product Name | RXSOL-41-8865-025 |
| Product Type | Descaling Chemical Compound for Chiller, Condenser tube of Central AC Plant |
Company Details:
RX MARINE INTERNATIONAL
105, A wing , BSEL , TECH PARK.
VASHI ,NEW BOMBAY 400703 INDIA
| Phone | +91 22 65113333 / 5555 / 9999 / 27611360 |
| Fax | +91 22 2781 1318 :::AOH :0091 9821214367 |
| 123@rxmarine.com | |
| Website | www.rxmarine.com |
|
Chemical Name |
Concentration |
CAS Number |
EC Number |
R Phrases* |
Symbols |
|
Polymer Chlorous Acid |
20-40 |
Proprietiry |
NA |
34, 37 |
C |
|
Corrosion Inhibitor |
5-10 |
NA |
NA |
NA |
|
| Phosphoric Acid | 10-30 | 7664-38-2 | NA | 34 | C |
| proprietary Blend of Polymer ( For protection of Pitting on metal surface ) | 20-30 | ------------ | ------------ | --------- | ------- |
*See Section 16
|
Odour |
Characteristic Smell |
|
Appearance |
Clear Liquid, soluble in water |
|
Contact with eyes |
Can cause damage to the eyes |
|
Contact with skin |
Prolonged skin or eye contact may cause chemical burns |
|
Inhalation |
Causes severe irritation, May cause breathing difficulty |
|
Ingestion |
Not regarded as a potential route of exposure.,Causes burning sensation |
|
Contact with skin |
Remove contaminated clothing immediately and drench affected skin with plenty of water. Then wash with soap and water When in doubt or symptoms persist, seek medical attention. Contaminated clothing should be laundered before reuse |
|
Contact with eyes |
If substance has got into eyes, immediately wash out with plenty of water for at least 15 minutes. Irrigate eyes thoroughly whilst lifting eyelids Seek. immediate medical attention. Continue flushing with water until medical help arrives. |
|
Ingestion |
Never make an unconscious person vomit or drink fluids Give plenty of water to drink Do not induce vomiting Seek immediate medical attention |
|
Inhalation |
Remove patient to fresh air Keep warm and at rest, in a half upright position. Loosen clothing. When in doubt or symptoms persist, seek medical attention. |
|
General |
In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible) (S45). |
- Non combustible.
- Smoke from fires is corrosive, Hydrogen chloride may be formed.
- Not flammable. In case of fire use extinguishing media appropriate to surrounding conditions.
- Substance evolves toxic fumes, wear self-contained breathing apparatus.
- Use water spray or fog to knock down and absorb corrosive fumes.
|
Personal Precautions |
Wear protective clothing as per section 8 Vapours are heavier than air and may travel considerable distances to a source of ignition and flashback. |
|
Environmental Precautions |
Do not allow to enter public sewers and watercourses. |
|
Immediate Actions |
Use appropriate containment to avoid environmental contamination (S57). |
|
Clean Up Actions |
Absorb spillage in inert material and shovel up Ventilate the area and wash spill site after material pick-up is complete. |
|
Special Precautions |
Wear protective clothing as per section 8 Avoid release to the environment. Refer to special instructions/Safety data sheets (S61) Vapours are heavier than air and may travel considerable distances to a source of ignition and flashback. |
|
Handling |
Avoid contact with skin and eyes (S24/25).Do not breathe vapour/fumes (S23).Eyewash bottles should be available.Wear protective clothing as per section 8.Ensure adequate ventilation.In use, may form flammable/explosive vapour-air mixture (R18). |
|
Storage |
Keep only in the original container in a cool, well ventilated place (S3/9/49). Keep in acid store. |
|
Exposure Limits |
TLV (TWA) 20 ppm, 122 mg/m3 (1,2-Dichlorobenzene). |
|
Exposure controls |
The undiluted product must not be used in a confined space without good ventilation. |
|
Occupational exposure controls |
Wear approved respirator if exposure likely to exceed MEL/OES Wear goggles giving complete eye protection Wear suitable protective clothing, including eye/face protection and gloves (neoprene or nitrile are recommended). |
 |
 |
|
Odour |
Characteristic smell |
|
Appearance |
Clear Liquid, soluble in water |
|
PH |
1.5 at 100 % concentration |
|
Boiling point |
~ 100 °C at 760 mm /Hg |
|
Vapour pressure |
105.5 at 20 deg C |
|
Vapour density (air = 1) |
1.26 |
|
Freezing point~ |
30 °C at 760 mm/Hg |
|
Completely soluble in water |
|
|
Specific gravity (water=1) |
1.16 |
|
Non combustible |
|
- This article is considered stable under normal conditions, May cause rubber to swell
- Avoid overheating
- Incompatible with strong oxidizing substances, Contact with alkaline earth metals may form explosive gases, Contact with alkali metals may form explosive gases
- See Section 5
|
Contact with skin |
In cases of severe exposure, redness and irritation may develop |
|
Contact with eyes |
Causes irritation |
|
Ingestion |
May cause gastro-intestinal disturbances |
|
Carcinogenicity |
No evidence of carcinogenic effects |
|
Ecotoxicity |
This product does not contain ingredients which are classified in the EU as dangerous for theenvironment. |
|
Mobility |
Completely soluble in water . |
|
Persistence and Biodegradability |
Its main ingredients will either dissolve rapidly and dissociate in water or are readily/inherently biodegradable. |
|
Bioaccumulation Potential |
Bioaccumulation of the components in this product is insignificant. Other Adverse Effects No environmental problems are expected when the product is used / handled correctly. |
|
Classification |
This material and/or its container must be disposed of as hazardous waste EU Waste class Disposal considerations Do not discharge into drains or the environment, dispose to anauthorised waste collection point Disposal should be in accordance with local, state or national legislation. |
| Proper Shipping Name: | |||||
| UN | |||||
| Proper Shipping Name: | Solution of Phosphoric ang Hydrozen Chlorde | ||||
| UN NO. |
1789 |
||||
| Hazard Class | 8 | PackingGroup | II | ||
|
Road/Rail(ADR/RID) |
|||||
| Proper Shipping Name |
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| ADR UN No. |
1789 |
||||
|
ADRHazardClass |
8 | Tremcard |
80GC1789-II |
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| Sear (IMDG) | |||||
| Proper Shipping Name |
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||||
| IMDG UN No. |
1789 |
||||
| IMDG Hazard Class | 8 | IMDG PackGroup.: |
II |
||
| IMDG EmS | F-A, S-B | IMDG subrisk |
N/A |
||
|
IMDG Labels |
8 |
IMDG Flashpoint: |
N/A |
||
|
Air(ICAO/IATA) |
|||||
| ProperShippingName |
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||||
| IMDG UNNo |
1789 |
||||
| IMDG HazardClass | 8 | ICAO PackingGroup |
II |
||
| ICAO subrisk | N/A | ICAO Labels: |
8+CAO |
||
| ICAO Flashpoint |
N/A |
||||
|
DOT/ CFR(USDepartment ofTransportation |
|||||
|
DOTProperShippingName |
|
||||
|
HazardousMaterial |
|
||||
| HazardClass | 8 | IdentificationNumber: | UN1789 | ||
|
Product RQ (lbs) |
N/E | DOTsubrisk: |
N/A |
||
|
DOTLabels |
8 |
DOTFlashpoint: | N/A | ||
- Not classified as hazardous for transport
|
Risk Phrases |
Irritating to eyes (R36) |
|
Safety Phrases Irritant |
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice (S26)Wear suitable gloves and eye/face protection (S37/39) |
Text of R and S phrase codes used in this safety data sheet:-
R34 Causes burns;
R36 Irritating to eyes;
R37 Irritating to respiratory system;
R41 Risk of serious damage to eyes.
The information provided about the product on this Safety Data Sheet has been compiled from knowledge of the individual constituents The data given here is based on current knowledge and experience. This Safety Data Sheet describes the product in terms of safety requirements and does not signify any warranty with regard to the product's properties The data given here only applies when product used for proper application(s). The product is not sold as suitable for other applications - usage in such may cause risks not mentioned in this sheet. Do not use for other appli-cation(s) without seeking advice from manufacturer.