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Chemical structure
AA / AMPS / sodium styrene sulfonate terpolymermnpOHOONHH3CCH3SO3HSO3Na

Representative AA / AMPS / SSS terpolymer units

Formula
AA / AMPS / SSS terpolymer
Mol. weight
Low molecular weight
CAS
–
PolymerZEELCHEM™ 7000In stock

Terpolymer – ZEELCHEM™ 7000

Anionic terpolymer scale inhibitor and dispersant. Prevents calcium carbonate and calcium phosphate scale, controls sulphate scale, and disperses iron oxide, sludge and suspended solids.

Price per pack₹9,100
₹140/kg+ 18% GST · freight to-pay
Pack size
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  • TDS, MSDS, COAWith every batch

Quick answer

What is Terpolymer?

A water treatment terpolymer is a three-monomer polymer that combines scale inhibition with strong dispersion of iron oxide, sludge and suspended solids. ZEELCHEM™ 7000 is an anionic 50% terpolymer for cooling, boiler and RO systems, supplied in 65 kg drums.

CAS number–
FormulaAA / AMPS / SSS terpolymer
Molecular weightLow molecular weight
Product codeZEELCHEM™ 7000
HSN code39069090
Price₹140/kg, ₹9,100 per 65 kg HDPE drum + GST
Made inVadodara, Gujarat, India

About Terpolymer

ZEELCHEM™ 7000 is an anionic terpolymer designed for high inhibition and dispersion. It alters crystal growth so that scale particles cannot bond to metal surfaces, and keeps deposits suspended so they are removed with blowdown.

It performs well at high temperature and pH and is compatible with most water treatment chemicals, including zinc-based programs.

Key benefits

  • Inhibits CaCO₃ and calcium phosphate; helps control sulphate scale
  • Disperses suspended solids, iron oxide and sludge
  • Improves heat transfer efficiency
  • Reduces downtime and maintenance cost
  • Performs at high temperature and pH
  • Compatible with most water treatment chemicals

Also known as: ter polymer, water treatment terpolymer, carboxylate sulfonate terpolymer

Technical specifications

Product codeZEELCHEM™ 7000
AppearanceClear to light yellowish liquid
Solid content50.0%
pH4.0–6.0
Ionic natureAnionic
SolubilityFully water-soluble
Packaging65 kg HDPE drums

Applications of Terpolymer

  • Cooling water treatment
  • Boiler water treatment
  • RO antiscalant formulations
  • Industrial process and wastewater
  • Desalination plants
  • Paper, sugar, textile and power plant water systems

Dosage and how to use

  • Typical: 5–10 mg/L in RO and cooling systems, depending on water quality.
  • Dispersant dosage is determined by testing.

Dosing estimator

–per day
–metering pump
–per month

Estimate only. Confirm dosage with a water analysis and trial – our team can help.

Safety, storage and handling

  • Wear gloves and goggles when handling.
  • Store in closed containers away from direct sunlight.

Industrial use only. Read the current safety data sheet before handling.

Documents

Batch COA is sent with every dispatch. Ask for any document on WhatsApp.

Frequently asked questions

What is a water treatment terpolymer?

A polymer of three monomers (typically carboxylic, sulfonic and a third functional group) that combines scale inhibition with strong dispersion.

How is a terpolymer different from homopolymers and copolymers?

The extra functional monomer gives better calcium tolerance and dispersion of iron and zinc than PAA homopolymer or two-monomer copolymers.

Is it compatible with zinc programs?

Yes, it is compatible with most water treatment chemicals including zinc-based programs.

How is dosage determined?

Typically 5–10 mg/L; confirm by water analysis and testing.

Technical content reviewed by M.R. Patel, Technical Head. Last updated 26 October 2026.

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₹9,100+ GST, 65 kg HDPE drum

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