Chemtex Speciality Limited is India's one of the leading company for providing complete range of plant maintenance and treatment solution through high performance speciality chemicals. Based in the country’s biggest eastern sea port, Kolkata, Chemtex Speciality Limited have been supplying to all over the globe since 1970. CSL has a considerable market share in India’s speciality chemicals Industry. Our operations extends to a wide range of business sectors like retail, exports and manufacturing concerns for their warehouse and dispatch management.

Chemtex Speciality Limited is an ISO 9001 : 2008 certified company. CSL’s office management and manufacturing setup has obtained CRISIL trust certification.

In service to the industry and trade since more than last four decades, Chemtex is proud to be a trusted business partner of more than 18000 customers worldwide. It offers excellent technical support and best supply chain management solutions for domestic and overseas trade. Chemtex offers more than 600 high performance chemicals that are majorly divided into the following categories.

Corrosion Inhibitors are chemical compounds that prevent rusting of metal surface. Each corrosion inhibitor is uniquely designed for the given application. Chemtex offers a wide range of state-of-art corrosion inhibitors such as Acid Inhibitors which are used for acid cleaning, pickling and oil well acidizing applications; Brine Corrosion Inhibitors, Saline water corrosion inhibitor, Hydro testing corrosion inhibitors, Water corrosion inhibitors for chiller water, cooling water, hot water / steam corrosion inhibitors etc.
Brand : PROTODIN^®, THEODIN^®
For more details on please visit : www.corrosion-inhibitors.in

Cleaning in simple words is removing of undesired foreign matter from a given surface. Cleaning chemicals are of various types such as CIP cleaners, bottle-washing additives, general purpose neutral liquid cleaner, high / medium / low foaming alkaline / acidic cleaners, laundry cleaning chemicals, water / solvent based cleaners / degreasers, non-ionic / anionic / cationic surfactant based cleaning chemicals, disinfecting cleaners etc.
Brand : ALSTACLEAN^®, DETPOL^®
For more details on please visit : www.cleaning-chemicals.net

Biocides, Disinfectants or Sanitizer are chemicals that kill or deactivate microbial and bacterial foulants. Chemtex manufacturers various types of biocides based on various oxidizing and non-oxidizing formulations such as peracetic acid, silver peroxide, quarternary ammonium compounds, organo sulphur compounds, isothiozolinone, DBNPA etc.
Brand : ALSTASAN^®, ALSTACIDE^®
For more details on please visit : www.biocide-disinfectant-sanitizer.com

Antiscalants (Scale-inhibitors) and Descalants are chemicals that are responsible to prevent or remove scale (lime deposition) and foulants built up in heat exchangers, equipments or membranes. Antiscalants and Descalants are used in various types of equipments such as Cooling water systems, boilers, chiller water systems, RO membranes etc.
Brand : ALSTASCALE^®, ALSTACOOL^®, CHEMCLEAN^®
For more details on please visit : www.antiscalant-descalant-chemical.com

Chiller / HVAC Chemicals are used by industry associated with central air conditioning and process refrigeration. Chemtex offers the entire range of chiller treatment chemicals such as Coil cleaners, Passivation chemical, online descaling chemicals, glycol heat transfer anti-freeze fluids, brine / water corrosion and scale inhibitors, refrigerant cleaning solvent, biocide, etc.
Brand : ALSTASHINE^®, ALSTARINSE^® PROTODIN^®
For more details on please visit : www.chiller-chemicals.com

PCM and Glycol based coolants are heat transfer fluids that have different eutectic or phase changing temperatures that are used in various applications. These chemicals are based on mono ethylene glycol, propylene glycol, methanol, brine and eutectic solutions etc.
Brand : TONO FREEZE^®, TONO FROST^®, TONO THERM^®, ALSTA-GLO^®, RADIKOOL^®
For more details on please visit : www.glycol-brine-coolant-pcm.com

Industrial Water Treatment Chemicals is a core speciality of Chemtex Speciality Limited. Chemtex offers the entire solution of water treatment including Cooling tower water treatment chemicals, boiler water treatment chemicals, RO chemicals, Effluent / Waste water treatment chemicals, etc.
Brand : ALSTAFLOC^®, FOAMLOC^®, DUSLOC^®
For more details on please visit : www.industrial-water-treatment-chemicals.com

Boiler Chemicals are used for removing and prevention of scale built up and corrosion of metal surface in boiler system. The various types of boiler chemicals are oxygen scavengers, corrosion inhibitors, antiscalant, descalant, pH boosters, condensate line corrosion inhibitors etc.
Brand : ALSTHERM^®
For more details on please visit : www.boiler-chemicals-chemtex.com

Reverse Osmosis Membrane Chemicals are specialized chemical additive designed to prevent or remove foulant / scale deposition in RO / NF / UF Membrane. The various types of Reverse Osmosis Chemicals are RO Antiscalants, RO Cleaners, and RO Biocides etc.
Brand : ALSTAFLOC^®, FOAMLOC^®, DUSLOC^®
For more details on please visit : www.ro-chemicals-chemtex.com