| HS Code | 584159 |
| Chemical Name | Carboxylate-Sulfonate Copolymer |
| Concentration | 42-44% |
| Appearance | Clear to slightly hazy liquid |
| Color | Light yellow to amber |
| Ph | 6.5-8.5 |
| Specific Gravity | 1.18-1.22 |
| Solubility In Water | Completely soluble |
| Ionic Nature | Anionic |
| Viscosity | 50-250 cP at 25°C |
| Freezing Point | < -5°C |
| Odor | Mild |
| Flash Point | Non-flammable |
| Stability | Stable under normal conditions |
As an accredited Carboxylate-Sulfonate Copolymer 42-44% factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 220 kg blue HDPE drum, securely sealed, labeled “Carboxylate-Sulfonate Copolymer 42-44%," with handling instructions. |
| Shipping | Carboxylate-Sulfonate Copolymer (42-44%) is typically shipped in tightly sealed, high-density polyethylene drums or intermediate bulk containers (IBCs) to ensure safety and stability. Store and transport below 40°C, away from direct sunlight and incompatible substances. Ensure compliance with local and international chemical shipping regulations and provide appropriate labeling and documentation. |
| Storage | Carboxylate-Sulfonate Copolymer 42-44% should be stored in tightly sealed, corrosion-resistant containers, away from direct sunlight and sources of heat. Keep in a cool, dry, well-ventilated area to prevent moisture absorption and degradation. Avoid contact with strong oxidizers and acids. Follow all applicable local, state, and federal guidelines for chemical storage to ensure safety and stability. |
Carboxylate-sulfonate copolymer 42-44% plays a proven role in controlling scale, improving slurry stability, and enhancing process efficiency in high-volume industrial sectors. Drawing on years of field validation, we supply this material directly to major manufacturers downstream, where formulation precision and compliance drive end-product performance.
Utility and thermal power operations apply the copolymer as a threshold scale inhibitor in recirculating cooling water systems. This polymer disrupts precipitation of calcium phosphate, calcium carbonate, and other mineral salts under high TDS and alkalinity conditions. Its resistance to breakdown under strong oxidant load—chlorination or bromination—supports stringent outlet water quality criteria. Plant engineers adjust copolymer dosage according to seasonal temperature changes, cycles of concentration, and water hardness. Continuous dosing takes place upstream from heat exchangers and condenser inlets to ensure peak anti-fouling protection in long campaign intervals.
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Drilling fluid service companies incorporate this copolymer in complex water-based mud formulations to prevent solid phase aggregation and maintain low rheology levels under downhole chemical stress. Due to its anionic structure, the copolymer effectively disperses barite, bentonite, and drilled pulp, especially in formations with high calcium or magnesium. Its chemical durability under variable pH, salinity, and temperature conditions ensures that suspended particles do not bridge or settle in drill strings, protecting drilling efficiency and preventing stuck pipe incidents. Companies use a tailored ratio based on mud weight, formation pressure, and compatibility with other additives.
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Major industrial laundry and institutional cleaning product manufacturers rely on our copolymer as a co-builder in heavy-duty detergent powders, liquid detergents, and automatic dishwashing formulations. The negative charge and hydrophilic chain structure bind hardness ions—especially calcium and magnesium—precluding deposit formation on textiles and machine parts. The presence of sulfonate groups gives outstanding dispersion of soils, bleached cellulose fibers, and particulate residues, crucial for high-throughput commercial washers. The formulation ratio depends on regional tap water hardness and other builder components such as sodium tripolyphosphate or zeolite.
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Admixture formulators use carboxylate-sulfonate copolymers in cement and concrete to disperse cement particles, enhance fluidity, and achieve controlled set times. In ready-mix and precast operations, our copolymer minimizes water usage, improving mechanical strength and surface finish. For oil well applications, the copolymer controls viscosity and prevents premature solidification, supporting extended pumping times at high temperature and pressure. Manufacturers select dosage levels according to cement chemistry, aggregate quality, and climatic conditions, optimizing for slump retention and never compromising compressive strength.
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Pulp and paper operations introduce this copolymer into process water circuits to reduce scale accumulation on washer drums, screens, and water circuits, directly increasing mill uptime and fiber yield. The dispersive properties help retain inorganic fillers and fine fiber fractions on wire sections, improving product opacity and printability. Dosage depends on water recirculation rate, pulp type (mechanical or chemical), and target filler content. Integration typically takes place in white water systems and headbox feeds to regulate deposition and improve surface characteristics.
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Engineers in metallurgy, plastics, and large-scale food processing plants dose this copolymer to prevent the build-up of calcium, magnesium, and barium scales in closed-loop and once-through process water lines. The material adds value by inhibiting microcrystalline formation and assisting in the transport of silt and metal oxides towards filtration or purge points. Custom control systems adjust feed rate based on inlet water characteristics and online monitoring of ORP, pH, and deposition sensors. Maintenance schedules benefit from the material’s ability to delay shut-downs caused by plugged exchangers and flow restrictors, especially where water softening alone proves insufficient.
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Competitive Carboxylate-Sulfonate Copolymer 42-44% prices that fit your budget—flexible terms and customized quotes for every order.
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Years on the production floor teach lessons that textbooks cannot. In this chemical plant, everything comes down to performance—on the line, in customer tanks, and under the microscope. Take our Carboxylate-Sulfonate Copolymer (CSC) 42-44%. This isn’t a generic additive spun out by a faceless warehouse. Every kilogram leaves our tanks after scrutiny, because customers expect more than a name—they expect consistency and results.
The 42-44% solid content points to where value meets real-world application. Balancing sulfonic groups with carboxylic acid units, CSC offers improved calcium tolerance and dispersancy compared to single-function polycarboxylates. We’ve experimented with ratios, learned what works in North American hard water, Asian textile operations, and municipal scale cooling towers—same polymer backbone, but handled adjustments to the side chains for least scaling and fouling.
Other polymers on the market, often simple single-carboxyl systems, struggle in environments high in calcium and magnesium. That leads to cloudy precipitants, sticky scale, and eventually system downtime. CSC copolymers, with their sulfonated groups, interrupt that process. A few years ago, a customer in pulp and paper brought in a water sample loaded with 400 ppm calcium hardness—watching the old polymer chunk out and our CSC keep things flowing clear confirmed the lab data. Experience tells us theory never replaces actual results.
Customers don’t overhaul chemical programs on a whim. Production engineers look long at service records, downtime incidents, and cost-per-treated-ton. Those who switched to our CSC report three things consistently: reduced scale on heat exchangers, lower chemical dosages compared to polyacrylates, and fewer alarms in automatic dosing systems. This is not just because of a higher charge density—it’s about the right balance of carboxylates for dispersing solids and sulfonates for keeping polyvalent cations in solution.
Open recirculating cooling systems, reverse osmosis plants, boiler pre-treatment—CSC finds a place in each due to its robustness. As scaling on cold surfaces and fouling in membrane systems tightened operation margins, water treatment managers needed something with backbone. You can run a higher cycles-of-concentration, reduce acid cleanings, and avoid yearly flush-outs. The moment integrators or plant chemists realize fewer shutdowns mean improved yield, the value clarifies itself.
Regular field audits often bring valuable feedback. At a Gulf Coast chemical plant, the maintenance team tracked a drop in unplanned shutdowns after switching to our CSC. Operators noted their dosing pumps ran cleaner, and corrosion coupons showed less deposit buildup. In textile dyehouses, water softener media lasted longer, cutting replacement budgets. At municipal water utilities, scale buildup in filters and pipes nearly vanished—something even legacy phosphonate blends could not consistently achieve.
We run our own test loops for scale inhibition—not just on the lab bench, but at pilot scale, pumping local hard water past steel, copper, and PVC coupons. CSC consistently holds CaCO₃ precipitation below 5 mg/cm², even at Langelier Saturation Indexes pushing +2.0. Competing acrylic polymers climb past 15 mg/cm² in side-by-side runs. Every batch must match the specification on clear, dust-free solids and active polymer content, because a variance of just 1% can mean a six-figure hit to a user’s operation.
Several companies source boxed product from low-cost suppliers, slap on a new label, and send it into the field. Our plant staff composes every batch right here, monitoring neutralization and molecular weight distribution. Fine-tuning the sulfonation step, we avoid over-sulfonated waste and prevent under-reacted low-activity resins. It’s not just about making “a polymer”—it’s about walking the process through from raw monomers to finished drums in a way that meets every incoming order’s requirements. That’s the reason we’ve been invited to audit customer performance, not just ship boxes.
The evolving regulatory environment puts newer polymers like CSC in a strong spot. Some traditional phosphonate builders face discharge limitations, and older chemistries featuring heavy metals have fallen off approved lists. CSC, built for biodegradability and low residual metal content, lines up with modern wastewater permits. Customers operating ISO 14001 or LEED-certified facilities have asked for supporting data; our in-house environmental team tracks every ingredient from receipt to customer discharge, tracking COD, BOD, and aquatic toxicity, always matching stringent European and US standards.
Field mishaps tend to reveal real-world performance. We’ve seen competitors’ water-soluble polymers thicken and gel in cold warehouses, or separate out upon aging. Our copolymer solution stays pumpable down to near-freezing, resists bacterial spoilage, and, with proper tank agitation, keeps viscosity in spec for up to a year. Years spent supporting customers with stuck pump lines means we know it’s never just about the chemistry on paper—it must behave, every day, in tanks near salt spray, dust, vibration, whatever the plant environment throws at it.
Raw material sourcing impacts final product. We source acrylic acid and sodium toluene sulfonate from vetted suppliers, track every shipment by batch, and dovetail the entire process in production planning. Commissioning a new stainless reactor in 2016, we invested in inline reaction monitoring to keep molecular weight spread narrow. From quality control through packing, each drum is logged against a unique analysis. Supply interruptions, contamination scares, and off-spec batches have cost other manufacturers reputation and repeat business. Our record stands because we put process control above shortcuts.
Last year, a desalination plant in Southeast Asia called about excessive membrane scaling, despite multiple vendor attempts to troubleshoot their program. After site visits and joint pilot trials with our CSC, their fouling rates dropped by 18%, and CIP frequency dropped to quarterly. At a Midwest food processing facility, cooling water cycles increased from 3.5 to 6, slashing water usage and discharge costs. Practical proof point: our technical teams don’t just sell what’s in the drum, they show up and verify—in the field, day after day.
Not every application wants the same formula. An automotive plant needed a lower sodium content to meet discharge permits; we adjusted our neutralization step to deliver a custom cation profile, after extensive pilot-scale mixes and field consultation. Another client in power generation needed a higher sulfonate fraction for extreme heat exchangers. We retooled a batch and measured dispersancy in against the most demanding high-alkalinity water conditions. These customizations don’t come from a catalog—they come from ongoing conversations between technical staff and user engineers working on real systems.
Polyacrylate homopolymers are widely used as scale inhibitors, but reveal limits under heavy scaling conditions, especially at high pH. They disperse small particles, but lose control when calcium spikes or magnesium climbs. Polyaspartates, while biodegradable, show weaker tolerance to iron and require larger dosages for comparable dispersing power. Our CSC copolymer, with its blend of carboxyl and sulfonate, takes on both dispersancy and precipitation resistance without requiring dramatic feed increases or feed blend additions. Over two decades, this combination held true in textile rinses, paper mill reuse streams, and high-pressure industrial boilers.
Building a solution worth using demands something more than reactions and confirmed identities. Continuous feedback from partners—chemical, mechanical, and operational—keeps the formulation updated. Early adopters talked about foaming; we responded by testing antifoams compatible with the copolymer. Some found minor color pick-up in dyehouse operations; we adjusted the initiator system to minimize color bodies. Collaboration, not shortcuts, sharpened CSC to a formulation that isn’t a generic drum of polymer, but a solution built for those running the toughest industrial systems out there.
In a typical operations meeting, nobody asks for more additives—they want fewer breakdowns, lower energy consumption, and less call for intervention. The shift from traditional polyacrylates to our CSC 42-44% delivered on this, by keeping cooling towers running longer without acid cleans, water-scarce plants operating at higher cycles, and chiller tubes clear. One technician, after a plant trial, reported saving 60 hours per year in heat exchanger maintenance per cooling line. These impacts accumulate—to not only a smoother-running plant but real cost and labor savings.
As industries push for sustainability, chemical manufacturers face increasing scrutiny. Our approach focuses on lifecycle management—not just in product chemistry but also packaging minimization and waste reduction. We transitioned to reusable intermediate bulk containers where feasible, cut drum surplus by remote inventory tracking, and promoted on-site dilution systems to limit transport volumes. This reduces not just operational costs but the facility’s carbon footprint from inbound drum hauling and disposal. Our technical support staff train plant personnel for safe and efficient product use, aiming to lower total chemical use through more effective application, in line with cleaner production goals.
Every shipment carries batch-specific testing data, including solids content, pH, active polymer ratio, and residual monomer content. The industry demands traceability for regulatory, liability, and audit reasons. Our in-house ERP system tracks every detail from incoming raw materials through finished drum delivery. Unexpected performance issues often trace back to an off-spec raw lot, or a change in source water quality—our records let us diagnose, confirm, and offer replacement far faster than companies shipping out of a wholesale catalog. This transparency keeps our customers compliant and confident.
Each day in manufacturing teaches that every process variable matters—reaction temperature, initiator flow, cooling rate, even tank agitation. Our team moves beyond merely achieving a target specification to delivering real reliability. Operators with decades of batch experience handle changeovers and react to upstream issues before they escalate. By controlling the full scope of production, from pre-mixing through final quality checks, we ensure that every load in a customer’s dosing tank performs up to expectations—not just at shipment, but after months on site, under actual plant conditions.
Industrial water chemistry keeps moving, with new pressures from regulators, supply chains, and innovations in process design. Our process engineering group invests in pilot plant testing and R&D, chasing new functional group ratios for even better metal ion control, faster dispersions, and easier compatibility with next-generation sensors and automation. Improving CSC 42-44% means more than adjusting a formula; it involves fielding feedback, tuning manufacturing, and anticipating what operators will report after a long day on shift. That’s how our plant-built approach stays ahead—always matching the demands of real users, in the world’s toughest environments.
From first inquiry to final shipment, direct manufacturer service makes a difference. By producing, testing, and shipping every batch from our own plant, we stand behind each container. No detours through trading houses or offsite packagers dilute accountability or insight. Whether discussing a cooling tower in São Paulo or a paper mill in Michigan, we offer direct support rooted in actual chemical production, plant data, and practical experience. Working side-by-side with users builds partnerships that last longer than any single project or bid.
The role of Carboxylate-Sulfonate Copolymer 42-44% in industrial water treatment, textile, papermaking, and beyond grows year by year because it brings together proven chemistry, manufacturing integrity, and field-tested results. From our plant’s control room to customer feedback meetings, our experience backs every drum shipped. End users—engineers, operators, and production staff—trust what comes from those combined years in chemical manufacturing and application service. True reliability isn’t found in product flyers, but in a manufacturer’s expertise meeting daily production demands, with each solution built to perform in real-world operations.
