Super Absorbent Polymer CR-680

    • Product Name: Super Absorbent Polymer CR-680
    • Chemical Name (IUPAC): Sodium polyacrylate
    • CAS No.: 9003-04-7
    • Chemical Formula: (C3H3NaO2)n
    • Form/Physical State: White Granule/Powder
    • Factroy Site: No.30 Fuduihe Road, Xuwei New District, Lianyungang, Jiangsu, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Lianyungang Petrochemical Co., Ltd
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    Specifications

    HS Code

    340496

    Product Name Super Absorbent Polymer CR-680
    Appearance white granule or powder
    Chemical Composition cross-linked polyacrylate
    Absorption Capacity 500-700 times its own weight in water
    Particle Size 0.3-0.8 mm
    Bulk Density 0.6-0.85 g/cm³
    Ph Value 6.0-7.0 (in 1% solution)
    Moisture Content ≤8%
    Solubility insoluble in water
    Ionic Type anionic
    Degradation Temperature above 200°C
    Recommended Storage cool, dry place

    As an accredited Super Absorbent Polymer CR-680 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Application of Super Absorbent Polymer CR-680

    Absorption Rate: Super Absorbent Polymer CR-680 with an absorption rate of 300 g/g is used in baby diapers, where it ensures rapid liquid uptake and keeps skin dry.

    Particle Size: Super Absorbent Polymer CR-680 with a particle size of 150–300 microns is used in adult incontinence pads, where it allows uniform gel distribution and prevents leakage.

    Retention Capacity: Super Absorbent Polymer CR-680 with a retention capacity of 60 g/g is used in medical wound dressings, where it maintains moist wound environments and supports healing.

    Crosslinking Density: Super Absorbent Polymer CR-680 with high crosslinking density is used in horticultural soil amendments, where it maximizes water retention and minimizes irrigation frequency.

    Gel Strength: Super Absorbent Polymer CR-680 with a gel strength of 1200 Pa is used in cable water-blocking tapes, where it resists compression and maintains protective barriers.

    Purity: Super Absorbent Polymer CR-680 with a purity of 99% is used in pharmaceuticals, where it meets stringent regulatory requirements and reduces contamination risk.

    Stability Temperature: Super Absorbent Polymer CR-680 with a stability temperature up to 130°C is used in feminine hygiene products, where it maintains absorbency during high-temperature processing.

    Swelling Index: Super Absorbent Polymer CR-680 with a swelling index of 40 times its weight is used in pet pads, where it absorbs large volumes of liquid and reduces odor.

    Packing & Storage
    Packing The packaging for Super Absorbent Polymer CR-680 is a 25 kg white plastic-lined kraft paper bag, with product labeling and batch information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Super Absorbent Polymer CR-680: 15 metric tons packed in 600 bags, each 25 kg, on pallets.
    Shipping Super Absorbent Polymer CR-680 is securely packed in moisture-resistant, 25 kg kraft paper bags with inner plastic liners. Shipments are palletized, shrink-wrapped, and labeled per regulatory standards to prevent contamination and moisture exposure. Store in cool, dry conditions during transit to maintain product integrity and ensure safety compliance.
    Storage Super Absorbent Polymer CR-680 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of moisture. Keep the container tightly closed and avoid exposure to strong acids, bases, or oxidizers. Store in its original packaging to prevent contamination and maintain product quality and performance. Follow local regulations for chemical storage and handling.
    Shelf Life Super Absorbent Polymer CR-680 has a shelf life of 2 years when stored in a cool, dry, and sealed condition.
    Free Quote

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    More Introduction

    Understanding Super Absorbent Polymer CR-680: From Our Plant Floor to Your Application

    Standing behind Our Polymer: The Story of CR-680

    We believe that real progress comes from the floors of actual facilities, not just sales desks. That’s where Super Absorbent Polymer CR-680 came to life. Every step taken to develop this model stems from years of working with water-absorbing materials and seeing how true reliability can make a difference on the line and in the field. Whenever a team asks for more efficient absorption or higher durability in tough conditions, we recall the early batches of CR-680 and the hands-on tests we ran.

    Model CR-680: The Backbone of Moisture Control

    This polymer starts out as small, dry granules that expand quickly on contact with water or aqueous liquids. It’s more than a simple powder—it behaves like a tool you can rely on in environments where ordinary absorbents give out. The core structure of CR-680 uses crosslinked polyacrylate chains built for rapid reaction with water, locking in moisture and converting it into a stable gel. Watching this chain reaction on our mixing floor for the first time showed us just how effective it could be for keeping surfaces dry, reducing leakage hazards, and boosting product stability in consumer goods.

    With CR-680, we wanted to improve not only absorption capacity but also response speed. Many conventional polymers swell too slowly or fail to retain fluid under pressure. That difference matters if you’re running emergency response operations, manufacturing hygiene products, or treating waste streams where every drop counts.

    What Sets CR-680 Apart in Real Workshops

    While stockroom samples tend to look identical, every production run brings its own challenges. Our team noticed early on that CR-680 resists breaking down under compression, staying in place even as absorbed water tries to escape. In real use—inside baby diapers, adult incontinence pads, or even horticultural gel crystals—this behavior gives CR-680 a practical edge. What’s measured in the lab might show it absorbs dozens of times its own weight, but we also look for how it resists odor, clumping, and breakdown through repeated wetting events.

    One major difference between CR-680 and earlier versions centers on particle size and surface area. Our technicians worked through batch after batch, dialing in the granule shape to speed up absorption and avoid dust buildup during mixing or transport. Packaging crews appreciate how it pours cleanly, without drifting powder or waste sticking to conveyor belts.

    Another benefit becomes obvious once CR-680 meets salt solutions or mildly acidic liquids. Not every super absorbent polymer performs well in these tricky conditions. Many lose capacity or break apart, but CR-680 was refined for these scenarios. We learned this from our collaborations with food processing sites and hospital waste teams, who challenged us to absorb biological fluids and industrial solutions where lesser polymers faltered.

    Versatile Uses—Backed by the Real World

    CR-680 earns trust on more than test results. In baby care, the polymer handles not only water but also body fluids, which contain soluble salts and enzymes. Our research teams and customer visits showed us parents aren’t just looking for higher absorption—they expect dryness on the skin, low odor, and a gel that holds together even after several uses. That’s why we refined CR-680 with a denser network of acrylic polymer chains, reducing gel-blocking and leakage.

    Agricultural teams use CR-680 as a soil amendment. It stores water for crops, cutting down irrigation needs and helping roots stay hydrated. We heard from greenhouse operators who added our polymer to peat and potting mixes, then sent photos of drought-resistant seedlings pulling through record heat. Unlike cheaper absorbents, our model releases water only as roots need it, preventing roots from rotting and giving plants a reliable, slow-drip reservoir built right into the soil.

    Spill control and waste management professionals have also put CR-680 to the test. Factory floors, fire stations, and hazardous material teams need a polymer that acts fast. Our product’s high gel strength means it doesn’t collapse or seep under weight, even on uneven ground. After a chemical spill in a logistics warehouse, the feedback was straightforward: CR-680 was easy to sweep up, and the gel didn’t break apart or smear, leaving surfaces safer for cleanup crews.

    Tough Enough for Industry—Gentle Enough for Home

    We test CR-680 under intense conditions: weight pressing, repeated wetting, salty and acidic water exposure. Our in-house results show consistent absorption with each cycle, but it’s watching workers pull samples from the line for independent verification that gives us the real proof. Hospital teams regularly need reliable absorbents for surgical sponges and medical waste. Their feedback led us to adjust polymer composition, aiming for a product that won’t degrade when sterilized or exposed to biological fluids.

    Home users—especially those making DIY ice packs or adding moisture control in dry storage—notice another trait. CR-680 doesn’t release absorbed water under mild compression. It withstands being accidentally squished in closets or first aid kits, holding its contents without leaving a mess. That property comes from its three-dimensional network, something we monitor in every batch.

    No-Nonsense Manufacturing—Real Differences in Quality

    We oversee the entire process—from monomer preparation and polymerization to granulation and packaging—in one facility. Our staff tracks every variable, from the purity of starting materials to the humidity in the air. This kind of attention pays off in reliability. It also means our quality control teams spot differences immediately. They watch the granules expand, check for residual monomers, and make sure absorbed water stays in the gel even under heat or mild mechanical pressure. That’s why repeat customers—from global hygiene brands to family farms—call for CR-680 by model, not just by function.

    Quality stems from listening as much as from engineering. We’ve seen batch improvements come from nighttime operators as often as from lab researchers. Every tweak in our reactor conditions, every adjustment to drying or grinding steps, comes from on-the-ground experience. When the maintenance crew notices a block in the line, or a packer spots a fine powder leaking from a bag, those observations shape how we build the next lot of CR-680.

    Caring for the Environment with CR-680

    Modern manufacturers face new demands. End users ask not just for performance, but for responsible sourcing and reduced waste. Many competitors market recycled or partially biodegradable alternatives, but our experience shows that reliable performance and minimal environmental impact aren’t always a tradeoff. By fine-tuning polymerization conditions and improving our filtration systems, we generate less off-spec material and minimize waste in filling and shipping.

    Spent CR-680, after use, poses minimal hazard in landfills. Our product doesn’t leach harmful chemicals. We keep up with regulations, especially for food contact and hygiene applications. Our teams work on further improvements: reducing residual acrylates, increasing the use of safer additives, and supporting researchers looking for next-generation disposal solutions.

    Some of our horticultural customers even reclaim CR-680 after harvest, blending gel fragments into compost or blending with fresh stock for potted plants. Waste handlers appreciate that the gel traps not only liquid but also volatile odors, making disposal safer for the community.

    The Human Side of Manufacturing: Problems We’ve Tackled

    True product evolution happens on the ground. Customer feedback identified challenges with earlier polymers—slow swelling, dust during mixing, premature breakdown under weight. By incorporating sturdier crosslinks and streamlining granule size, we addressed these. Our shift managers recall painstakingly monitoring reactor temperatures and filtering out fine particles from the drying drums, remembering that behind every load sent out, someone relies on our consistency.

    We faced pushback over perceived chemical content. Some clients wanted reassurance about the absence of harmful additives. Our technical documentation and third-party certificates help, but real peace of mind comes from open doors—visitors touring our plant, sampling our granules at each stage, or running their own wetting tests alongside our operators.

    Supply chain disruptions and global shipping issues pose ongoing difficulties. Our facility’s vertical integration gives us some control, letting us store enough core materials to maintain output, even when monomer shipments face delays. During the worst of recent supply crises, operators logged overtime to keep the reactors running, ensuring continuous batches of CR-680 left the site.

    Supporting Specific Markets—No Repackaging, All Original

    As chemical manufacturers, not resellers or traders, our responsibility doesn’t end at product delivery. We’ve built relationships with companies in hygiene, agriculture, medical supply, water treatment, and construction. Each sector brings unique requirements—fast action for spill kits, long-term reliability in sandy soils, resilience to high temperatures or disinfectants in medical waste. We work side by side with technical teams, running trials, swapping stories, and sometimes, overhauling a polymer feature to suit a real user’s line or process.

    One surgical sponge developer identified an issue with previous polymers causing fiber matting. They shared their concerns with our chemists during a joint test at our lab. That open exchange led us to refine polymer morphology. Months later, their feedback came back full circle through photos showing intact, high-gel retention sponges post-sterilization. This kind of collaboration only happens when the original manufacturer stands behind its product and listens.

    In water treatment, operators count on CR-680’s resilience to moderate contamination. They once called about batches facing occasional interference from dissolved organics. That prompted us to adjust our purification step, reducing trace impurities and improving final performance, without resorting to sales chatter or cosmetic fixes.

    Looking Ahead—Continuous Development on the Shop Floor

    Innovation in super absorbent polymers isn’t just about paperwork or boasting test stats. It’s about rolling up your sleeves, listening to feedback, and constantly measuring improvement. We treat every new complaint as a call to action. Our older reactors taught us to deal with batch variability. Our newer process control systems help minimize variation, but it’s the experienced eyes following granule swelling during QC checks that keep results consistent.

    The pace of change in hygiene and environmental protection means users keep raising the bar. We now focus research on improving absorption curve shape—making swelling even faster from the first second, not just at peak. Our plant managers push for more energy-efficient reactor operations, lower emissions, and safer workstations for everyone involved. The progress of CR-680 comes as much from hands-on manufacturing as from any boardroom decision.

    Trust Built from Long-Term Results

    After shipping CR-680 for years into various sectors, we measure success when returning customers stop specifying basic properties and start asking for new grades or tweaks to suit their unique use case. Distributors, repackers, and traders sometimes try to rebrand or relabel products, but those closest to the action—engineers, line workers, farmhands—recognize the reliability and stability we deliver. That reputation comes from our direct connection to manufacturing, not just from brochures.

    Each lot shipped carries our work ethic and direct experience—hands-on checks, repeated improvements, and a willingness to adapt in the face of new regulations or customer insights. Whether in laboratory tests or on vast fields, CR-680 has proven its value by quietly performing so that users—whether parents, workers, or patients—never need to worry about moisture, odor, or breakdown.