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Chemtex Speciality Limited
Chemtex Speciality Limited
Gobra, Kolkata, West Bengal
GST No. 19AADCC5168M1Z6
Send E-mail
Call 0804603069689% Response Rate
Our Products

Chemtex BioBubble Antimicrobial Coating on Close SurfacesYes! I am interested
CHEMTEX BIOBUBBLE ELECTROCOAT  is an organic formulation based on spray and wipe mechanism, which on application eliminates harmful micro-organisms from the application surfaces and also does not allow further microbial attack on the treated surfaces for up to 15 days
It ensures long-term protection for your electronic gadgets and other commonly touched surfaces from microbial build-up. It is compatible with all types of electronics surfaces and does not affect their functioning
Application Areas:Electronics: Cell Phones, Laptops, Computer Peripherals, Cameras, Watches, Calculators, Remotes, Access Controls, Lift Buttons, Switches, etc.Commonly Touched Surfaces: Table Tops, Door Knobs, Handles, Railings, Workstation, Drawers, Chairs, Water Bottles, Bevarage Dispensers, etc.
CHEMTEX BIOBUBBLE ELECTROCOAT builds a transparent sub-microscopic coating which acts as a barrier to defend microbial activity. The positive charges attract the negatively charged cell membranes of the pathogens, puncturing, auto-lysing and disrupting their life cycle.
Key Features and Benefits:
 Preventive Coating; Keeps your electronics and other immediate surfaces protected up to 15 days on each application Does not interfere with surface sensitivity Free of Alcohol, Phenols, Flourines, PBT and vPVB substances Non-Toxic, Organic and Completely biodegradable Cost effective application
Alstasan Silvox 150 MIST: Universal Spray DisinfectantYes! I am interested


·         Ready-To-Use Disinfectant for direct spraying in walk through tunnels, grocery packages, fabrics, cutlery, glassware, fruits and vegetables, utensils, coveralls, masks and all other commonly touched surfaces.

·         Rapid Action and Easy to Use

·         Silver accelerated Hydrogen Peroxide based formulation recommended by CDC

·         Brand “Silvox” even recommended by Ministry of Health and Family Welfare, Government of India

·         Certified Safe and Non-Toxic by FDA approved NTC.

·         Non-Hazardous, Skin-Friendly, Safe for Food Contact Surfaces, No-Rinse, Easy to Use and Store, Non-Fuming and Biodegradable.


Alstasan Silvox 150 MIST is most ideal to be used as spray disinfectant for direct spraying on human contact surfaces, skin, fabric, walk through tunnels, upholstery, kitchen surfaces, workplaces, living rooms, including decontamination of coveralls such as PPE, aprons, masks, etc. Based on CDC recommended formulation of Silver Accelerated Hydrogen Peroxide with added stabilizers for virus deactivation, Alstasan Silvox 150 MIST is certified safe and non-toxic by FDA approved NTC. It is non-hazardous, skin-friendly, safe for food contact surfaces, no-rinse, easy to use and store, non-fuming and biodegradable.


Directions for Use: Ready to Use. Spray directly on the surface and allow a contact time of 60 seconds. No dilution required. No wiping required.


Pet Flakes Cleaning ChemicalYes! I am interested
PET flakes cleaning chemical, a low foaming heavy duty liquid formulation, serves as useful for washing of PET (Polyethylene terephthalate) bottles, flakes and used glass bottles. A very common affair is the soiling of used PET bottles or containers, from easy to remove plain water to very stubborn oils and geasy contaminants. It becomes a necessity to clean these containers or flakes properly before they get reused or recycled.

Chemtex Speciality Ltd offers PET flakes cleaning chemical, a formidable formulation that successfully aids in the removal of these contaminants without the redeposition of any soil and decolorizing PET granules, which otherwise tend to happen in case of NaOH (sodium hydroxide) solution cleaning.

PET flakes cleaning chemical comprises of a highly concentrated blend of alkaline cleaner with wetting agents and water scale removing agents that allows the PET flakes cleaning chemical to be a single stage heavy duty degreasing cleaner for removing stubborn protein, oil and fat deposits.

Chemtex Speciality Limited is an ISO 9001, ISO 14001 and OHSAS 18001 certified manufacturer and supplier of PET Flakes Cleaning Chemical. We have been in this field of chemicals for over a period of 40 years and we will continue to extend our services towards enriching the circadian operations of other industrial sectors.

Key Features and Benefits
Sodium Metabisulphite Food GradeYes! I am interested
SMBS or Sodium Metabisulfite/ Sodium Metabisulphite is an inorganic compound finding versatile applications as a disinfectant, antioxidant and preservative agent. Sodium Metabisulfite is used as a bleaching agent in pulp and textile manufacture, as well as a reducing agent in pharmaceuticals. It's also a known preservative in cosmetics.

In F&B industries, Sodium Metabisulfite is commonly used as a food preservative for dried food and juice concentrates. Sodium Metabisulfite is safe for human consumption up to 0.7 grams per kilogram of body weight.

As a cleaning agent, SMBS is also present in wines and beers, as a sterilizer and an antioxidant in the process of brewing beer or fermenting wine.
Boiler Water pH BoosterYes! I am interested
Chemtex’s Boiler Water pH Booster is a liquid alkaline formulation, used as alkalinity source for boiler feed water. it is synergized with properties of ph boosting and water conditioning.

Key features and benefits:
Condenser DescalantYes! I am interested
Chemtex’s Condenser Descalant is a blend of acids with inhibitors. It is designed to remove mineral scales, metal oxide (rust) and silica scale deposits in water systems that are subject to deposit accumulation. Typical tasks are descaling of condenser, evaporator, heat exchangers, evaporative condensers, boilers, geysers, solar heaters, blow mouding machines, gear box, steel parts cleaning, vacuum pump decalcifying etc.

Chemtex’s Condenser Descalant is inhibited to protect cleaned surfaces from acidic attack. It can be used on most common metals such as MS, SS, Copper, Cast Iron, Copper alloys such as Cu-Ni except zinc and galvanized surface.

Key Features and Benefits
Resin DescalantYes! I am interested
Chemtex’s Resin Descalant is an on-line cation resin cleaning compound for the prevention of organic fouling and heavy metal fouling. It is a blend of several surfactants and iron solubulising agents.

Key Features and Benefits
Excellent Prevents resin fouling: Chemtex’s Resin Descalant reduces progressive fouling of cation resin due to oil and suspended solids. It keeps resin bead surface clean and extends resin life. Regular use of Chemtex’s Resin Descalant reduces regeneration frequency.

Consistent quality output: Regular use of Chemtex’s Resin Descalant reduces
Regeneration frequency and service cycle and ensures a consistent quality output.

Application and Dosage
On-line Cleaning: Chemtex’s Resin Descalant can be added to the rinse cycle of every regeneration. On-line cleaning is carried out during the rinse cycle. The recommended dosage is 1 kg, for every 1000 litres of resin off -

Line Cleaning Procedure

i) Drain water up to the resin level after regeneration and rinse cycle.
ii) Add Chemtex’s Resin Descalant at a rate of 15 kgs, for every 1000 litres of resin in the column.
iii) Agitate using compressed air in order to mix it with the resin.
iv) Rinse until water is clear. If fouling is still suspected, repeat the above process.
v) After 30 minutes final rinse, regenerate with 100% excess salt before taking into the service line.

Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.

This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Poly Aluminum ChlorideYes! I am interested
Chemtex's Poly Aluminum Chloride is an industry standard primary coagulant which is used in the treatment of drinking water, sewage and industrial effluents and is also a well as established paper processing aid.

Poly aluminium chloride (PAC) is an aluminium-based coagulant. Its highly charged polymer chain polymerization of aluminum ions and colloidal particles in water with high efficiency and power in and bridging flocculation function.

Key Features and Benefits
Welcome to

Chemtex Speciality Limited

  • Nature of BusinessExporter and Manufacturer
  • Total Number of Employees51 to 100 People
  • Year of Establishment1970
  • Legal Status of FirmLimited Company (Ltd./Pvt.Ltd.)
  • Annual TurnoverRs. 100 - 500 Crore
  • Import Export Code (IEC)02100*****
  • GST No.19AADCC5168M1Z6
  • CIN No.U24100WB2008PLC127895

IndiaMART Certification

Trust Seal Verified

IndiaMART Verified Exporter


The name Chemtex depicts Chemical Technology Experts.

The early 1970s saw the foundation of Chemtex. And in the following decades, it expanded with its variety of indigenous chemicals and industries catered. Chemtex today remains a family owned company with Shri Ram Gopal Karnani as its Chairman and his sons serving as the board of directors.

In 50 years, Chemtex has come a long way in contributing to the speciality chemicals requirements of the Asian sub-continent. Our recent expansion into newer geographies reinforces our aim to become a truly global player in the speciality chemicals space. As a company we are committed to the social and economic progress of the countries we enter. Our rapid growth in the recent years is leading the company to a promising future.

Chemtex enjoys a considerable market share in speciality chemicals section with branches catering 
Agriculture, Water Treatment, Cleaning & Hygiene, Housekeeping & Laundry, Engine Care, Refrigeration & Air Conditioning, Oil & Gas, and other Industry specific sections.

Chemtex has mastered the ways and means of doing business better with a farsighted combination of vision, creative thinking, technology, logistics and management services.

In all that we do, we are guided by our mission statement - 'The Chemtex Way'

Xperience with nearly five decades of knowledge, R&D, production and supply

Xcellence with expert technical advice to mitigate crisis with over 3000 product variants

Xpertise with over 22000 clients served and counting worldwide

Chemtex, to many, is chemical technology par excellence.

Our vast range of chemicals catering to various industrial sectors, it is appropriate to say “there is a bit of Chemtex for every Industry”



Chemtex Speciality LimitedChemtex Speciality Limited



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Shubham Karnani  (Director)
Chemtex Speciality Limited
111, Haute Street Corporate Park, 86A, Topsia Road South, Gobra, Kolkata - 700046, West Bengal, India
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