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RO Chemicals

High pH Membrane Cleaner

High pH Membrane Cleaner

Approx. Rs 10,000 / Bunch


Chemtex’s High pH Membrane Cleaner is an alkaline liquid product for cleaning of contaminants like oils,organic compounds, silica scales and biological slimes and films from RO/NF/UF membranes.

Chemtex’s High pH Membrane Cleaner also contains organic dispersants that helps to break down colloidal clay deposits and imparts better efficacy to biocides by penetrating into films.

Key Features and Benefits
Application and Dosage
Chemtex’s High pH Membrane Cleaner should be diluted with DM or permeate water to prepare a working solution of 2-5%v/v. This solution should be re-circulated through the membranes for 2-4 hours (including a soak time of 30-60mins) and flush out the system with DM or permeate water till equal pH is achieved at both ends of pass.

For detailed cleaning procedure, please refer the Procedure Sheet provided.

Note:
Shake the container well before use. Replace the solution with new one if the cleaning solution becomes severely fouled and turbid.

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.

Storage
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.

Packing
Chemtex’s High pH Membrane Cleaner is available in HDPE containers packed in various pack sizes.
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Low pH Membrane Cleaner

Low pH Membrane Cleaner

Approx. Rs 10,000 / Bunch


Chemtex’s Low pH Membrane Cleaner is a fast acting formulation for cleaning of RO/NF/UF membranes by dissolving and dispersing organic and mineral deposits which primarily comprise of carbonates and sulfates of calcium, barium, stronium and magnesium.

Chemtex’s Low pH Membrane Cleaner is also effective in removing difficult iron scales, metal oxide deposits as well as silicates and colloidal clay.

Key Features and Benefits
Application and Dosage
Chemtex’s Low pH Membrane Cleaner should be diluted with DM or RO permeate water to prepare a stock solution of 2-5%v/v. This solution should be re-circulated through the membranes for 2-4 hours (including a soak time of 30-60mins) and flush out the system with DM or permeate water till equal pH is achieved at both ends of pass. For detailed cleaning procedure, please refer the Procedure Sheet provided.

Note: Shake the container well before use. Replace the solution with new one if the cleaning solution becomes severely fouled and turbid. In multi-pass systems, best results can be achieved if each pass is individually cleaned

For severely fouled or choked membrane a higher concentration upto 10% v/v should be used after cleaning with ALKRO CL27 (High pH membrane cleaner).

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.

Storage
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.

Packing
Chemtex’s Low pH Membrane Cleaner is available in HDPE containers packed in various pack sizes.
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Membrane Antiscalant

Membrane Antiscalant

Approx. Rs 10,000 / Bunch


Chemtex’s Membrane Antiscalant is a super-threshold RO membrane antiscalant and antifoulant which is able to stabilize a wide range of supersaturated salt solutions thereby prevents the precipitation on the membrane surface.

It minimizes the risk of scaling and eliminates the use of hazardous acids, resulting in efficient plant operation with highest possible conversion rate.

Chemtex’s Membrane Antiscalant is effective in minimizing scaling in presence of foulants like Calcium Carbonate, Sulfate salts of Calcium, Barium, Strontium and Magnesium, Calcium Fluoride, Iron and Silica.

Key Features and Benefits
Application and Dosage
Chemtex’s Membrane Antiscalant is dosed directly to the RO feed water tank or feedwater line (after pretreatment) at the minimum recommended dosage of 1mg/l and maximum dosage at 15mg/l, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content.

High alkalinity and hardness can be controlled by dosing 4-5mg/l of product. But in case of the high iron content of about 1.2mg/l, the dosing has to be increased by 6-8mg/l for stabilizing Calcium.

At about 10-15mg/l dosage Chemtex’s Membrane Antiscalant is capable of fully inhibiting iron and calcium, and silica up to 217mg/l at pH 7.5. For higher silica content ALKRO HS40 should be used.

It is a highly effective antiscalant for waters with LSI up to +2.6, Iron up to 1.2mg/l in reject, Silica SCR 1.32, High SDI.

Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapour respirator, gloves and boots should be worn while handling and applying Chemicals. Splashes on the 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.

Storage
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.

Packing
Chemtex’s Membrane Antiscalant is available in 25/50kgs HDPE jars, 260kgs HDPE barrels and 1300kgs IBC.
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RO Antifoulant

RO Antifoulant

Approx. Rs 10,000 / Bunch


Chemtex’s RO Antifoulant is a super-threshold RO membrane antiscalant and antifoulant which is able to stabilize a wide range of supersaturated salt solutions, thereby preventing the precipitation on the membrane surface.

It reduces the risk of scaling and eliminates the use of hazardous acids, resulting in efficient plant operation with highest possible conversion rate.

It is a very effective antiscalant for waters with LSI upto +2.5, Iron upto 1.2ppm in reject, High SDI.

Chemtex’s RO Antifoulant is effective in minimizing scaling in presence of foulants like Calcium Carbonate, Sulfate salts of Calcium, Barium, Stronium and Magnesium, Calcium Fluoride, Iron and Silica found in surface, ground and sea water.

Key Features and Benefits
Application and Dosage
Chemtex’s RO Antifoulant is dosed directly to the RO feed water tank or feed water line (after pretreatment, prior to cartridge filter) at the neat dosage of 1ppm to 8ppm, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content. For calculating the exact dosage for your system, please contact your CSL representative.

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.

Storage
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.

Packing
Chemtex’s RO Antifoulant is available in 20kgs HDPE carbuoys and 250kgs HDPE barrels.
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RO Antiscalant

RO Antiscalant

Approx. Rs 10,000 / Bunch


RO Antiscalant, manufactured by Chemtex Speciality Limited, is a liquid antiscalant for RO membrane system. Using Chemtex’s RO Antiscalant controls inorganic scales of calcium, magnesium, barium, stronium, fluoride, iron and silica. Chemtex’s RO Antiscalant ensures above 80% reduction in scaling tendencies if used continuously.

It is a very effective antiscalant for waters with LSI upto 2.7, Iron upto 1.4ppm in reject, Silica upto 175ppm (or mg/l), High SDI. It is compatible with ALSTAFLOC series of coagulant and flocculants (polyelectrolytes).

Chemtex’s RO Antiscalant keeps RO capacity close to design, and minimizes shutdowns and membrane cleaning cost.

Key Features and Benefits
Application and Dosage
Chemtex’s RO Antiscalant is dosed directly to the RO feed water tank or feed water line (after pretreatment) at the minimum recommended dosage of 1ppm and maximum dosage at 15ppm, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content.

High alkalinity and hardness can be controlled by dosing 4-5ppm of product. But in case of high iron content of about 0.5 to 1.0ppm, the dosing has to be increased by 10-15ppm for stabilizing Calcium.

At about 10-15ppm dosage Chemtex’s RO Antiscalant is capable of fully inhibiting iron and calcium, and silica upto 175ppm. For higher silica content ALKRO HS40 should be used.

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.

Storage
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.

Packing
This product is available in HDPE drums and jars of various packing sizes. Please refer to your CSL representative to confirm you exact packing size.
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RO Antiscalant (High pH)

RO Antiscalant (High pH)

Approx. Rs 10,000 / Bunch


Chemtex’s RO Antiscalant (HIGH PH) is a super-threshold RO membrane antiscalant and antifoulant which is able to stabilize a wide range of supersaturated salt solutions, thereby preventing the precipitation on the membrane surface.

It reduces the risk of scaling and eliminates the use of hazardous acids,resulting in efficient plant operation with highest possible conversion rate.

It is a very effective antiscalant for waters with LSI upto +2.6, Iron upto 1.2ppm in reject, Silica upto 166ppm (or mg/l), High SDI. It is also compatible with ALSTAFLOC series of coagulant and flocculants (polyelectrolytes). Chemtex’s RO Antiscalant (HIGH PH) is effective in minimizing scaling in presence of foulants like Calcium Carbonate, Sulfate salts of Calcium, Barium, Strontium and Magnesium, Calcium Fluoride, Iron and Silica.

Key Features and Benefits
Application and Dosage
Chemtex’s RO Antiscalant (HIGH PH) is dosed directly to the RO feed water tank or feed water line (after pretreatment) at the minimum recommended dosage of 1ppm and maximum dosage at 15ppm, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content.

In case of high iron content of about 0.5 to 1.0ppm, the dosing has to be increased by 10-15ppm for stabilizing Calcium.

At about 10-15ppm dosage Chemtex’s RO Antiscalant (HIGH PH) is capable of fully inhibiting iron and calcium, and silica up to 166ppm. For higher silica content ALKRO HS40 should be used.

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.

Storage
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.

Packing
Chemtex’s RO Antiscalant (HIGH PH) is available in various pack sizes in HDPE containers.
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RO Antiscalant Chemical

RO Antiscalant Chemical

Approx. Rs 10,000 / Bunch


Chemtex’s RO Antiscalant Chemical is a liquid antiscalant for RO membrane system. Using Chemtex’s RO Antiscalant Chemical controls inorganic scales of calcium, magnesium, barium, stronium, fluoride, iron and silica. Chemtex’s RO Antiscalant Chemical ensures above 80% reduction in scaling tendencies if used continuously.

It is a very effective antiscalant for waters with LSI upto +2.7, Iron upto 1.4ppm in reject, Silica upto 175ppm (or mg/l), High SDI. It is compatible with ALSTAFLOC series of coagulant and flocculants (polyelectrolytes).

Chemtex’s Ro Antiscalant Chemical keeps RO capacity close to design, and minimizes shutdowns and membrane cleaning cost.

Key Features & Benefits

Application and Dosage
Chemtex’s Ro Antiscalant Chemical is dosed directly to the RO feed water tank or feed water line (after pretreatment) at the minimum recommended dosage of 1ppm and maximum dosage at 15ppm, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content.

High alkalinity and hardness can be controlled by dosing 4-5ppm of product. But in case of high iron content of about 0.5 to 1.0ppm, the dosing has to be increased by 10-15ppm for stabilizing Calcium.

At about 10-15ppm dosage Chemtex’s Ro Antiscalant Chemical is capable of fully inhibiting iron and calcium, and silica upto 175ppm. For higher silica content ALKRO HS40 should be used.

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.

Storage
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.

Packing
This product is available in HDPE drums and jars of various packing sizes. Please refer to your CSL representative to confirm you exact packing size.

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RO Dechlorination Chemical

RO Dechlorination Chemical

Approx. Rs 10,000 / Bunch


Chemtex’s Ro Dechlorination Chemical Is An Excellent Ro Feed Water De-Chlorinator. It Is A Concentrated Liquid For The Elimination of Residual Chlorine Prior To The Ro Membrane System.

This Is Necessary Because Some Membrane Materials Such As Tfc Membranes Can Be Irreversibly Damaged By The Presence of Strong Oxidizing Agents Such As Chlorine.

Key Features and Benefits
Application and Dosage
Dosage Varies With Amount of Chlorine Present In Water And Contact Time. Minimum Recommended Dosage Is 3ppm And Maximum Dosage Is 15ppm. Chemtex’s Ro Dechlorination Chemical Should Be Dosed As Close To The Ro System As Possible (TO Keep As Much of The Pre-Treatment As Possible In Contact With Chlorine - E.G. Cartridge Filters). However, If The Free Chlorine Level Is High, Then Chemtex’s Ro Dechlorination Chemical Should Be Dosed Prior To The Dosing of Antiscalant Injection Point (OR Antiscalant Dosage Increased To Compensate For Chlorine Attack, Since Antiscalants Are Attacked By Chlorine).

The Antiscalant And Chemtex’s Ro Dechlorination Chemical Dosing Point Should Be Far Enough Apart To Prevent Neat Product Mixing (THEY Can often Be Mixed When Diluted Correctly, But Ph Differences of The Neat Products Can Cause Problems). As A Company Policy, We Always Request Our Users To Consult Our Service Engineer To Recommend The Exact Dosage.

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.

Storage
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.

Packing
Chemtex’s Ro Dechlorination Chemical Is Packed In 35kgs Hdpe Carboys And 220kgs Hdpe Drums.
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RO Disinfectant

RO Disinfectant

Approx. Rs 10,000 / Bunch


RO Disinfectant is an effective non-oxidizing microbiocide for disinfection of RO membrane. It is safe for potable RO system. It has high efficacy rate for broad spectrum micro-organisms.

Key Features and Benefits:

Application and Dosage:

Dosage of Chemtex’s RO Disinfectant depends upon the degree of biological fouling. The recommended dosage is as follows:-

Shock Dose for Immediate Disinfection: 5-10% v/v conc. Continuous Dose for Round-the-clock disinfection: 2.5ppm on feed max.

Membrane Cleaning: System should be disinfected with Chemtex’s RO Disinfectant, then flushed with permeate water and then circulate solution of ALKRO CL27 for 30 min and soaked for 1-2hrs. Flush the system with permeate water and pass solution of ALKRO CL21 (if required). Once again flush the system with permeate and return plant to normal service.

The dosage of cleaning solution depends upon the frequency of cleaning and degree of fouling.

Note: Replace the solution with new one if the cleaning solution becomes severely fouled and turbid. In multi-pass systems, best results can be achieved if each pass is individually cleaned.

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.

Storage:

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.

Packing:

Chemtex’s RO Disinfectant is available in various pack sizes, packed in HDPE containers.
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RO Membrane Preservative

RO Membrane Preservative

Approx. Rs 10,000 / Bunch


RO Membrane Preservative is required for enabling a unused membrane not to get oxidized if left out. The membrane can either be dipped in a solution of membrane preservative or can be filled inside and soaked.

Application and Dosage
You are requested to refer your Chemtex representative for advising you the best dosage or application method.

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.

Storage
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.

Packing
Available in various pack sizes.
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Resin Descalant

Resin Descalant

Approx. Rs 10,000 / Bunch


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.

Storage
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.

Packing
Chemtex’s Resin Descalant is available in 35 kgs packs.
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Silica Antiscalant (High pH)

Silica Antiscalant (High pH)

Approx. Rs 10,000 / Bunch


Chemtex's silica antiscalant (high pH) is a chemical compound that is useful for preventing silica fouling in the RO membrane. The silica antiscalant is a alkaline product and is very much suitable for being added to drinking water system.

Application and Dosage
The usual dosage range for silica antiscalant (high pH) is from 2-10ppm. For very severe conditions this may go upto 15ppm in small installations. You are requested to refer your Chemtex representative for advising you the best dosage or application method.

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.

Storage
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.

Packing
Available in various pack sizes.
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Water Softener Salt

Water Softener Salt

Approx. Rs 10,000 / Bunch


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RO Cleaning Chemical

RO Cleaning Chemical

Approx. Rs 10,000 / Bunch


Chemtex’s Ro Cleaning Chemical is a fast acting formulation for cleaning of RO/NF/UF membranes by dissolving and dispersing organic and mineral deposits which primarily comprise of carbonates and sulfates of calcium, barium, stronium and magnesium.

Chemtex’s Ro Cleaning Chemical is also effective in removing difficult iron scales, metal oxide deposits as well as silicates and colloidal clay.

Key Features & Benefits
Application and Dosage
Chemtex’s Ro Cleaning Chemical should be diluted with DM or RO permeate water to prepare a stock solution of 2-5%v/v. This solution should be re-circulated through the membranes for 2-4 hours (including a soak time of 30-60mins) and flush out the system with DM or permeate water till equal pH is achieved at both ends of pass. For detailed cleaning procedure, please refer the Procedure Sheet provided.

Note: Shake the container well before use. Replace the solution with new one if the cleaning solution becomes severely fouled and turbid.

In multi-pass systems, best results can be achieved if each pass is individually cleaned

For severely fouled or choked membrane a higher concentration upto 10% v/v should be used after cleaning with ALKRO CL27 (High pH membrane cleaner).

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.

Storage
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.

Packing
Chemtex’s Ro Cleaning Chemical is available in HDPE containers packed in various pack sizes.
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    ND Bhatter

    (Director)

    Chemtex Speciality Limited

    Gobra, Kolkata, West Bengal, India

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