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All Right Reserved
|
HS Code |
822325 |
| Chemical Formula | [(C2H2F2)x-(C2H3F)y]n |
| Appearance | White translucent solid |
| Density | 1.75–1.78 g/cm³ |
| Melting Point | 150–175°C |
| Molecular Weight Range | 100,000–700,000 g/mol |
| Solubility | Insoluble in water |
| Glass Transition Temperature | -35 to -40°C |
| Dielectric Constant | 8–10 at 1 kHz |
| Tensile Strength | 30–50 MPa |
| Elongation At Break | 20–50% |
| Thermal Conductivity | 0.19 W/m·K |
| Flame Retardancy | Self-extinguishing |
| Water Absorption | Less than 0.04% |
| Hardness Shore D | 72–80 |
| Uv Resistance | Excellent |
As an accredited Polyvinylidene Fluoride Copolymer factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Polyvinylidene Fluoride Copolymer is packaged in a 25 kg double-layered, moisture-resistant polyethylene bag with clear labeling for safety. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Polyvinylidene Fluoride Copolymer is packed in bags/drums, totaling approximately 16–18 metric tons per 20′ FCL. |
| Shipping | Polyvinylidene Fluoride Copolymer is shipped in tightly sealed, chemical-resistant containers to prevent moisture contamination and degradation. It should be stored and transported in cool, dry, ventilated areas away from direct sunlight and incompatible substances. Shipping must comply with local regulations, ensuring proper labeling and documentation for safety and traceability. |
| Storage | Polyvinylidene Fluoride Copolymer should be stored in a cool, dry, well-ventilated area away from direct sunlight, sources of heat, and incompatible materials such as strong acids or bases. Ensure the container is tightly sealed to prevent moisture absorption. Keep away from open flames or ignition sources, as the material is thermoplastic and can degrade when exposed to excessive heat. |
| Shelf Life | Polyvinylidene fluoride copolymer typically has a shelf life of 24 months when stored in original, unopened containers under recommended conditions. |
Competitive Polyvinylidene Fluoride Copolymer prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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Manufacturing specialty polymers always means dealing with the details that separate real quality from generic material. Polyvinylidene fluoride copolymer, often shortened in the industry to PVDF copolymer, is one of those resins you start to respect the deeper you dig into it, both as a material and as part of the working backbone of many modern industries.
Unlike other more common plastics, PVDF copolymer we manufacture does not come with surprises. Experience shows its behavior under heat, corrosion, and mechanical pressure remains consistent, batch after batch, because the production process tightly controls both monomer ratios and conditions at every stage. We stick close to models like PVDF 6010 and 6020, which have served customers in films, pipes, coatings, and battery binders for years. These models evolved from feedback coming back to us from coatings plants, lithium battery cell-makers, and chemical engineers handling acids and bases every day.
One thing you notice in the chemical plant is how different applications demand more than just “good enough.” Spec sheets might talk about high purity and good melt flow, but what’s more important is how smoothly the resin feeds through extruders, how reliably it comes out of a die, whether it causes fouling or stringing, and—critically—how equipment operators can rely on consistency. In our workshop, changes to formulation come after long-term feedback, not just after reading global trends or chasing a marketing pitch.
Doctors in medtech, engineers in electronics, and protective coatings specialists all appreciate PVDF copolymer for its fatigue resistance, toughness under chemical assaults, and—in more technical terms—its high dielectric constant. Some users want flexible, crack-resistant tubing or wire insulation. Others need ultra-thin films that don’t pinhole or degrade during soldering and sintering.
Compared to homopolymer PVDF, the copolymer brings different characteristics to the table. Manufacturing it means balancing the ratio between vinylidene fluoride and hexafluoropropylene, sometimes with a tweak for trifluoroethylene, which leads to an altered crystalline structure. This subtle shift shows up as better processing—the material softens at a slightly lower temperature and resists stress whitening or brittle failures, even during sharp bending. Operators putting down thick layers onto metal pipes or making hollow fiber membranes value this resilience every day.
You find out quickly in the factory that engineers do not choose a specialty polymer without purpose. They know the extra cost has to bring them real savings somewhere else—whether it be in less maintenance, extended equipment lifespans, or the ability to handle harsher chemicals without failures causing costly shutdowns. Polypropylenes and polyethylenes have their uses, but they do not stand up to aggressive solvents or high-purity water systems.
Take corrosion resistance. PVDF copolymer shrugs off concentrated acids and bases that chew through conventional polyolefins. In integrated circuit fabs and chlorine handling, workers have come to count on PVDF-lined pipework because downtime or leaks are more expensive than premium resin. That’s not theoretical. Clients regularly report that PVDF copolymer substantially reduces maintenance events and improves overall safety on their lines.
Heat management also sets PVDF copolymer apart. We see requests come in for cable jacketing and sensors that spend their life near pumps or inside corrosive reactors. With PVDF copolymer, insulation doesn’t turn brittle or degrade when thermally cycled. It can handle working environments up to about 150°C, much higher than flexible PVC or modified polyolefins, so plants running hot or with temperature swings trust it for a reason.
Battery makers have become some of the most vocal users in the past decade. PVDF copolymer, especially grades with specific molecular weights and tight impurity limits, serves as an essential binder for electrodes. It holds cathode and anode materials together through hundreds or thousands of charge cycles, even with elevated nickel or manganese blends where cracking or delamination used to force early battery failures.
Techs building full cells in gloveboxes report that PVDF copolymer dispenses consistently and dissolves easier in NMP solvents. This edge matters during scale-up, as even slight changes in batch purity or flow disrupt slurry quality, causing defects or yield losses down the line. It took a few years of back-and-forth with battery labs, especially when large-format EV packs pushed existing formulas to the edge, but these dialogues let us cut ash, iron, and sodium content to nearly undetectable levels. Thick and thin coatings both show improved wetting and fewer pinholes or cracks, and batteries last longer—real feedback, not just data from instrument printouts.
Modern regulation pushes us to look beyond chemistry alone. While PVDF copolymer is not biodegradable, it carries a record for minimal chemical leaching and outgassing during long-term use. For potable water lines, semiconductor plants, and even select medical devices, rigorous extraction and purity testing show that high-end copolymer grades emit barely measurable residue, and our team spends months dialing in process variables to match ever-stricter thresholds.
On the production side, responsible fluoropolymer manufacturers face new pressure to curb emissions and energy use. Our teams run regular audits of solvent recovery units and keep waste reclamation rates above 96 percent. Closed-loop systems recapture monomers, and careful process tuning delivers higher yields per kilogram of precursor. The push for “clean PVDF” isn’t a marketing buzz—it’s a necessity we see growing every year, driven by European and North American clients with downstream audit requirements.
We engage directly with regulators, not just through papers or trade groups, but through on-site demonstrations and open reporting on test results. It helps to have plant managers and technical experts talk through the lifecycle impacts of their products, rather than simply sending out compliance certificates. Credibility builds on years of consistency, not just on slogans or green labels.
For the hands-on engineer, processability does not mean ease-of-use only. PVDF copolymer grades with higher melt flow indexes allow rapid extrusion of thin-walled pipes without scoring or melt fracture. Injection molders working with electrical connectors and valve bodies praise the resin for its ability to fill complex, thin-walled molds completely, resulting in sharp detail and smooth surfaces.
Welders and fitters in the field regularly note how PVDF copolymer responds to various joining techniques. Its slightly lower melting point compared to homopolymer versions means easier fusion welding—lower temperatures and less risk of material degradation or discoloration. Fewer rejects and easier post-weld inspections translate to real cost savings and reduced labor hours.
Paint shops and coating applicators also benefit. Spraying or dip-coating components with PVDF copolymer-based finishes produces a surface that remains glossy and resists both staining and color shift much longer than acrylic or polyurethane alternatives. Its resistance to ultraviolet light isn’t just a theoretical property—outdoor test panels sent to customers in the Middle East and California consistently hold up for years with minimal fade or chalking, outlasting almost every paint resin except certain silicones or full-fluorinated Teflon materials, which often come at a higher cost or with tougher processing demands.
Trends in advanced manufacturing keep changing, but core problems do not. Our experience with PVDF copolymer has shown its true value: reducing downtime, lowering maintenance, and giving engineers a sense of reliability that lets them focus on improvement, not firefighting. Battery makers have told us abandoning lower grade binders eliminated cell soft shorts and wrinkling. Piping contractors installing kilometers of chemical lines have found PVDF copolymer overlays prevent decades of leaks and save thousands of labor hours in replacement cycles.
Industrial water treatment has also come to rely on this resin. Reverse osmosis modules built with PVDF copolymer fibers keep performing through cleaning cycles involving strong acids and bases, with membranes rated for well over five years in harsh-duty municipal plants. Compare this to polysulfone or polyamide-based counterparts facing frequent fiber breakage, and it becomes clear why large utility companies lock in long-term contracts for PVDF copolymer supply.
Medical device developers working on biocompatible catheters and pump housings have approached us for highly purified grades, citing lower extractables and improved resistance to repeated sterilization. High-end audio cable firms and cleanroom ductwork builders both send back similar reports. Having a technology that holds up both in mass-market and deeply specialized roles doesn't happen overnight—it takes active listening, on-site visits, years of customer feedback, and persistent technical refinement.
Competition pushes us as manufacturers to keep edging up product quality. Customers cannot afford variation, and neither can we. That means continually refining reactor conditions, maintaining rigorous raw material supplier programs, and even sending samples to independent labs for validation. Our teams have worked closely with OEM engineers and QA managers worldwide to document every meaningful change so end-users get guaranteed performance even as models and product codes evolve.
The sustainability conversation will stay crucial, especially as international scrutiny of persistent chemicals increases and demand grows for complete recycling solutions and reduced lifecycle footprints. Our ongoing work now includes new research into recovery of fluorinated monomers from post-industrial scrap and by fermentation. It’s hard work, not always yielding immediate results, but peering ahead, commitment to environmental safeguards stands alongside technical innovation.
Genuine feedback from field engineers shapes our development far more than marketing trends. When a client managing critical biological lines or semiconductor scrubbers calls with a performance issue months after installation, it’s our specialists—not a service desk—who travel onsite to inspect, analyze, and make changes. These efforts tighten our processes and keep unexpected surprises in check for the next operators who depend on flawless product every time.
Simple numbers on tensile strength or melt flow do not reveal the years of innovation behind our PVDF copolymer grades. We have seen the difference high crystallinity and purity make for cable extruders who used to lose units to microcracks or pinholes. When a new process line asks for a resin grade offering both stretchability and reliable welds, our polymerization team works to tune branching and molecular weight so operators can ramp up speeds without unscheduled downtime.
Comparing our PVDF copolymer to basic homopolymers, flexibility and resilience stand out. Processors no longer settle for brittle, hard-to-mold products. Instead, they get a material that performs in dynamic environments—flexing thousands of times, resisting chemical ingress, and maintaining color and gloss under UV and weather. Long-term real-world data from utility companies and automotive suppliers give us measurable results extending beyond just accelerated lab testing.
Unlike conventional offers from distributors or large-volume traders who may lack hands-on perspective, we invest in every stage, from reactor vessel to finished pellet, and we certify traceability with each lot number. That extra layer of accountability pays off by minimizing field returns and maximizing customer trust.
The most successful manufacturers stay close to both the technology and the people who use their products. For us, that means ongoing investment in reactor technology, monitoring upgrades, and operator training. Skilled teams closely monitor viscosity curves, molecular weight distributions, and particle size to guarantee every batch matches or exceeds the requirements filtered back from the marketplace.
Field trials of new grades—built for even tougher battery binders, advanced fuel cell components, or uncoated PVDF filament for additive manufacturing—push our R&D teams to embrace interdisciplinary approaches. Collaborative testing and co-development efforts with downstream processors allow us to implement real improvements faster, and regular open days let engineers see our reactors, analytical labs, and technical support in action.
Globalization keeps raising the bar. Every region brings its own regulations, environmental expectations, and niche requirements, so working directly with end-users helps us stay ahead. Our teams frequently review global compliance—RoHS, REACH, and even voluntary standards on per- and polyfluorinated compounds—to ensure our export clients do not encounter unexpected regulatory problems.
Our PVDF copolymer represents more than a list of chemical properties—it is a story of learning and adaptation, fed by daily contact with real users solving tangible problems. By staying involved through every phase, from the chemistry of polymerization to the final product’s journey in the field, we earn the trust of engineers and businesses building the next generation of energy storage, water purification, protective coatings, and electronics. Whether adapting for new purity standards or tuning blends for next-generation batteries, daily work and accumulated expertise ensure our PVDF copolymer delivers more than advertised benefits—it provides peace of mind for the people who rely on it, project after project.
