Chemtex Speciality Limited

Kolkata, West Bengal

GST No. 19AADCC5168M1Z6

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Surface Treatment Chemicals

Surface Treatment Chemicals are used in steel, engineering, oil & gas, petrochemical industry. Some include derusting, rust preventing, degreasing as parts of maintenance programs aimed to keep plant machinery functioning smoothly with minimum downtime.

Sulfamic Acid Descalant Grade

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Rs 55 / KgPrice on Request

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Minimum Order Quantity500 Kg
GradeTechnical Grade
FormPowder
Packaging Details25Kg bag
ApplicationDescaling
Packaging Size25 kg
Usage/ApplicationDescaling Agent
Packaging TypeHDPE Bag
TypeDescalant
UsageIndustrial
Chemical FormulaH3NSO3
Sulfamic Acid Descalant Grade is primarily used in acid cleaning and descaling, considered highly effective in removal of mineral scale deposits from industrial equipment and machineries, used in heavy duty industrial applications such as Iron and Steel, Thermal Power, Boilers, Fertilizer & Chemicals, Sugar Processing, and others. 

Major Application Areas
  • Sulfamic acid is a strong acid that effectively removes scale, rust, and other mineral deposits from various surfaces, making it a popular choice for cleaning applications.
  • It is a key ingredient in many descaling agents used for industrial equipment like heat exchangers and cooling towers.
  • Sulfamic acid is used in metal pickling, galvanizing, and electrorefining processes. 

How to Use

Dilute Sulfamic Acid at a rate of 5-20% by weight/volume in pre-heated clean water (60-70°C). Circulate the solution for 20-30 minutes followed by a complete drain out. Rinse the entire system with clean water. It is recommended to passivate the entire solution to prevent any chances of flash rusting. 

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Sulfamic Acid GP Grade

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Rs 55 / KgPrice on Request

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GradeDescalent Grade
FormPowder
Packaging Details50Kg Bag
ApplicationDescaling
Packaging Size25 kg
Usage/ApplicationCleaning Agent
Packaging TypeHDPE Bag
BrandChemtex
AppearanceWhite Crystals
Chemical FormulaH3NSO3
Sulfamic Acid is non-volatile, odourless substance, widely used for the removal of scales and metal oxide deposits from the surface metal, and possesses a scale solubility capacity with added corrosion inhibitors which give maximum protection to metal boilers or equipment being cleaned. It serves the removal of hard water scales, protein deposits, copper corrosion, rust from cooling towers, heat exchangers, coilers, condensers, and various other heating & cooling systems. It is used in the paper and pulp industry, where it prevents pulp degradation caused by high temperatures, as well as allows for bleaching. 

Key Features & Benefits
  • Versatile Descaling Agent
  • Non-flammable
  • Excellent de-rusting and descaling
  • Suitable for all types of water systems.
  • Cost-Effective



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Metal Degreasing Chemical

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Rs 140 / KgPrice on Request

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Minimum Order Quantity500 Kg
Base TypeAlkaline
Packaging Size50L
Application AreaAutomotive Parts, Machine, Metal
Pack Size50 L
Grade StandardTechnical Grade
FormLiquid
Packaging TypeDrum
Usage/ApplicationIndustrial
pH LevelAlkaline
Physical StateLiquid
Chemtex's Metal Degreasing Chemical is an aqueous alkaline based industrial degreasing and decarbonizing chemical formulation, for use in in metal cleaning, pre-pickling degreasing, equipment decarbonizing, re-circulation cleaning, scale removing / softening, boiler boil out and other industrial cleaning / degreasing applications. Requisite dosing of this chemical ensures complete removal of oily, greasy, stubborn soils, mineral scales and all other carbonaceous and cementitious deposits from application surfaces through dispersion mechanism that enables it to penetrate into deposits, dissolving and flushing them away

ALSTACLEAN DG90 is GreenPro certified. It meets the requirements of GreenPro Ecolabel and qualifies as Green Product.

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Vapor Degreasing Chemical

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Rs 185 / LitrePrice on Request

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Minimum Order Quantity500 Litre
Base TypeSolvent Based
Packaging Size35 / 280 Kg Metal Drum
Application AreaAutomotive Parts, Metal, Engine, Machine
Pack Size50 L
Usage/ApplicationIndustrial
Grade StandardTechnical Grade
FormLiquid
Packaging TypeDrum
pH LevelMild Alkaline
Physical StateLiquid

Chemtex’s ALSTACLEAN VD30 is a specialized liquid degreasing solvent formulated for cleaning and degreasing metal components and precision parts in light and heavy engineering industries. It efficiently removes oil, grease, lubricants, carbon deposits, fluxes, and other stubborn residues where water-based cleaners are unsuitable.

A non-chlorinated and non-carcinogenic alternative to hazardous solvents like TCE and CTC, ALSTACLEAN VD30 is ideal for applications where delicate and high-value machinery requires safe, residue-free cleaning.

ALSTACLEAN VD30 has been tested and approved by IIT Guwahati. ALSTACLEAN VD30 is also GreenPro certified. It meets the requirements of GreenPro Ecolabel and qualifies as Green Product.

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Industrial Descaling Chemical

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Rs 85 / KgPrice on Request

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Minimum Order Quantity100 Kg
Application AreaChiller, Cooling Tower, Boiler, Heat Exchanger
Acid TypeBlend
Pack Size50 L
Inhibitor TypeCorrosion Inhibited
Suitable ScaleSilica
Usage/ApplicationIndustrial
BrandCHEMTEX
Grade StandardTechnical Grade
FormClear Liquid
Packaging Size50 KG HDPE DRUM

Chemtex's Industrial Descaling Chemical, manufactured under the brand name "CHEMCLEAN 01" is a high-performance inhibited descaling solution formulated for the effective removal of scale, rust, lime deposits, and mineral build-up from boilers, condensers, heat exchangers, pipelines, cooling towers, and industrial water systems.

Unlike conventional acid cleaners, the inhibited formulation minimizes metal attack and offers protection against flash rusting, a common adverse effect associated with acid-based cleaning processes. This ensures efficient descaling while helping maintain equipment integrity and operational reliability.

Key Features
  • Effective removal of hard scale and rust deposits
  • Inhibited formulation for safer metal cleaning
  • Helps prevent flash rusting after cleaning
  • Improves heat transfer efficiency
  • Reduces downtime and energy consumption
  • Easy-to-use liquid formulation
Applications

Boilers | Condensers | Heat Exchangers | Cooling Towers | Pipelines | Chillers | HVAC Systems

Suitable for industrial maintenance and preventive cleaning applications across multiple industries.

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Acid Corrosion Inhibitors

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Rs 180 / KgPrice on Request

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Acid typeH2SO4, HNO3, HCl, H3PO4
Usage metalMS, SS
ApplicationDescaling, Cleaning, Derusting, Pickling
FormLiquid
Dose level0.5 %
Usage/ApplicationIndustrial
Physical StateLiquid
Grade StandardTechnical Grade
Packaging SizeHDPE DRUM
Purity99%
Acid cleaning often leads to corrosive damage on metal surfaces, but when dosed with acid inhibitors, the solution would offer dual action i.e., cleans metal surfaces as well as protects it from aggressive acid attacks. These inhibitors act as a shield, minimizing the corrosive effects without compromising the cleaning efficiency.

Key Benefits:
  • Corrosion Protection: Prevents metal loss and damage, extending the life of your equipment.
  • Enhanced Cleaning: Allows acids to work effectively on deposits without impacting metal surfaces.
  • Cost-Saving: Reduces repair and maintenance costs associated with corrosion.
Chemtex's Acid Inhibitors are manufactured under the brand name "PROTODIN", offering corrosion protection against acids like Hydrochloric, Sulfuric, Sulfamic, Nitric, Phosphoric, Citric, Oxalic and others which are generally used for acid cleaning process.

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Solar Panel Cleaning Chemical

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Rs 160 / LitrePrice on Request

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Minimum Order Quantity500 Litre
Packaging Size50L
Application AreaSolar Panel, Rooftop Solar
Base TypeWater Based
ConcentrationConcentrate
FormLiquid
Pack Size200 L
Usage/ApplicationIndustrial
Chemical TypeNeutral
FragranceNo Fragrance
Physical StateLiquid
Chemtex Solar Panel Cleaning Chemical is an eco-friendly, biodegradable solution formulated for safe and efficient cleaning of solar panels. It removes dust, dirt, and bird droppings without damaging delicate surfaces, ensuring streak-free clarity and improved energy output.

Available in liquid and gel grade, Chemtex's Solar Panel Cleaning Gel can even remove the toughest of carbon and cement deposits from solar panel surfaces. These are non-corrosive and non-abrasive, and also prevents any residual build ups. It is ideal for residential, commercial, and industrial installations.

DETPOL SPC is GreenPro certified. It meets the requirements of GreenPro Ecolabel and qualifies as Green Product.

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Sulfamic Acid Powder

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Rs 55 / KgPrice on Request

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GradeDescaling Grade
FormPowder
Packaging Details25Kg bag
ApplicationDescaling
Packaging Size25 kg
Usage/ApplicationDescaling Agent
Packaging TypeHDPE Bag
BrandChemtex
CAS Number5329-14-6
AppearanceWhite Crystals
Sulfamic Acid is non-volatile, odourless substance, widely used for the removal of scales and metal oxide deposits from the surface metal, and possesses a scale solubility capacity with added corrosion inhibitors which give maximum protection to metal boilers or equipment being cleaned. It serves the removal of hard water scales, protein deposits, copper corrosion, rust from cooling towers, heat exchangers, coilers, condensers, and various other heating & cooling systems. It is used in the paper and pulp industry, where it prevents pulp degradation caused by high temperatures, as well as allows for bleaching. 
Key Features & Benefits

Versatile Descaling AgentNon-flammableExcellent de-rusting and descalingSuitable for all types of water systems.Cost-Effective

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Sulfamic Acid Powder

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Rs 55 / KgPrice on Request

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Minimum Order Quantity100 Kg
GradeIndustrial Grade
FormPowder
Packaging Details25Kg bag
ApplicationDescaling
Packaging Size25 kg
Usage/ApplicationDescaling Agent
Packaging TypeHDPE Bag
BrandChemtex
CAS Number5329-14-6
AppearanceWhite Crystals

Sulfamic Acid is non-volatile, odourless substance, widely used for the removal of scales and metal oxide deposits from the surface metal, and possesses a scale solubility capacity with added corrosion inhibitors which give maximum protection to metal boilers or equipment being cleaned. It serves the removal of hard water scales, protein deposits, copper corrosion, rust from cooling towers, heat exchangers, coilers, condensers, and various other heating & cooling systems. It is used in the paper and pulp industry, where it prevents pulp degradation caused by high temperatures, as well as allows for bleaching. 

Key Features & Benefits

  • Versatile Descaling Agent
  • Non-flammable
  • Excellent de-rusting and descaling
  • Suitable for all types of water systems.
  • Cost-Effective

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Carbon Tetrachloride Liquid

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Rs 130 / KgPrice on Request
GradeTechnical
BrandCHEMTEX
Melting Point-23 degree c
Purity99.9 %, >99%
Density1.59 g/cm3
OdourChloroform
Packaging Details210 Litre
Physical StateLiquid
Grade StandardTechnical Grade
Packaging TypeBarrel
Certain industrial processes require a stable, non-flammable solvent for cleaning, degreasing, and chemical synthesis, where ordinary solvents fall short. Carbon Tetrachloride is a versatile chemical compound widely used as a solvent in industrial cleaning, degreasing, and chemical synthesis applications. Its non-flammable nature and excellent stability make it ideal for removing oils, fats, and other impurities from metal surfaces and machinery. Additionally, it serves as a key intermediate in the production of refrigerants and other chemicals. Known for its efficiency and reliability, Carbon Tetrachloride is a trusted solution in industries requiring precision and performance.

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Scale And Corrosion Inhibitor

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Rs 105 / KgPrice on Request
Inhibitor typeCathodic
Packaging Sizes35/50 Kg HDPE Drums
Application systemCooling water
FormLiquid
BrandAlstacool
Physical StateLiquid
Type Of ChemicalsScale Inhibitor
Packaging DetailsDrum
pH range4 to 7
Usage/ApplicationIndustrial
In industrial processes, scale formation from minerals like calcium, magnesium, and iron can lead to equipment blockages, reduced efficiency, and costly maintenance. Chemtex’s Scale Inhibitor is a specialized solution that prevents mineral scale buildup by disrupting crystal growth, keeping surfaces clean and systems operating smoothly. Ideal for applications in cooling towers, boilers, and water treatment systems, it offers consistent performance across a range of conditions. This inhibitor not only extends equipment lifespan but also improves heat transfer, reduces energy consumption, and lowers maintenance needs. Easy to apply and highly effective, it’s essential for maintaining efficient and cost-effective operations.

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Fire Retardant Chemical

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Rs 285 / KgPrice on Request

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Application SubstratePlastic, Cable, Textile, Rubber, Wood
UsageCommercial
Chemical TypeSurfactants based
Physical StateLiquid
Packaging Size50 kg
Add On Rate5%
ColorOff White
Usage/ApplicationIndustrial
Packaging TypeJars
Grade StandardTechnical Grade
Chemtex's Fire Retardant Chemical, manufactured under the brand name "FIRELOC", is specifically formulated to slow down or prevent the spread of fire. It works by forming a protective barrier on surfaces, reducing flammability and delaying ignition. Ideal for use in textiles, wood, paper, and industrial materials, it enhances fire safety in homes, workplaces, and industrial environments. Easy to apply and effective under diverse conditions, this chemical provides critical protection, ensuring enhanced safety and compliance with fire safety standards.

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Low Foaming Water Based Degreaser

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Rs 150 / LitrePrice on Request

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Minimum Order Quantity500 Litre
Application AreaMachine, Metal Parts
Packaging Size25 Litre
pH LevelMild Alkaline
Purity99%
ConcentrationConcentrate
Usage/ApplicationDegreasing
FormLiquid
Pack Size200 L
Foam TypeLow Foam
Packaging TypeDrum

Chemtex's Low Foaming Water based Degreaser has been specifically formulated to remove stubborn grease, oil, and grime from machinery, equipment, and metal surfaces in industrial environments. It penetrates deeply to dissolve contaminants such as cutting oils, lapping pastes, and dye infiltrates, ensuring thorough cleaning without leaving residues.Safe for most metals, the product is non-corrosive, non-hazardous, and non-volatile, making it suitable for regular maintenance. Its quick-action formula allows easy application and rinsing, reducing downtime, labor, and overall maintenance costs while extending equipment life and efficiency.

PROTODIN VDS is GreenPro certified. It meets the requirements of GreenPro Ecolabel and qualifies as Green Product.

 

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Rust Preventive Oil

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Rs 160 / LitrePrice on Request
FormLiquid
Oil TypeSolvent Based
Film TypeOily Film
Protection Period6 - 12 months
Base OilSynthetic
GradeIndustrial
ColorPale Yellow
Protection Duration> 12 months
Application MethodDip, Spray, Brush
Packaging TypeDrum
Shield Against Rust: A Long-Lasting Protection for Metals Metal surfaces are vulnerable to rust and corrosion, which can compromise their strength, appearance, and longevity. Our Rust Preventive Oil provides a durable barrier against moisture and oxidizing agents, effectively preventing rust and corrosion on metal surfaces. Ideal for both indoor and outdoor applications, this oil forms a protective coating that ensures long-term preservation of your metal tools, components, and structures. Easy to apply and long-lasting, it's an essential solution for maintaining the integrity and functionality of your metal investments

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