|
HS Code |
770579 |
| Chemical Composition | Perfluoropolyether (PFPE) |
| Appearance | Clear or slightly yellowish liquid |
| Viscosity Range | 10 to 5000 cSt at 20°C |
| Operating Temperature Range | -90°C to +250°C |
| Density | 1.8 to 1.9 g/cm³ at 20°C |
| Vapor Pressure | <1 x 10^-9 torr at 20°C |
| Surface Tension | 18 to 22 mN/m at 25°C |
| Flash Point | Typically >200°C |
| Compatibility | Chemically inert to most metals, plastics, and elastomers |
| Hydrolytic Stability | Excellent; resists hydrolysis by water and acids |
As an accredited Perfluoropolyether Lubricant factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Perfluoropolyether Lubricant is packaged in a 100g opaque, chemical-resistant plastic bottle, featuring a secure screw cap and hazard labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Perfluoropolyether Lubricant is securely packed in drums or pails, maximizing full 20-foot container capacity, ensuring safe transport. |
| Shipping | Perfluoropolyether lubricant should be shipped in tightly sealed containers compatible with PFPE, protected from moisture and contamination. It is generally non-flammable and non-toxic but should be transported according to manufacturers’ guidelines and local regulations. Standard transport conditions include cool, dry environments, avoiding direct sunlight and extreme temperatures. Handle with appropriate safety precautions. |
| Storage | Perfluoropolyether lubricant should be stored in tightly sealed containers, away from direct sunlight, heat sources, and incompatible materials such as strong acids or bases. Store in a cool, dry, well-ventilated area. Avoid contamination with moisture or other chemicals. Clearly label storage containers, and ensure the area is equipped with appropriate spill containment and safety equipment in accordance with all relevant regulations. |
| Shelf Life | Perfluoropolyether lubricant typically has a shelf life of 5–10 years when stored in tightly sealed containers at room temperature. |
Competitive Perfluoropolyether Lubricant 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.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
At our chemical plant, every drum of Perfluoropolyether Lubricant (PFPE) tells the story of years working alongside maintenance engineers, aerospace assembly professionals, semiconductor technicians, and countless teams who refuse to cut corners. Every day we see how harsh environments—vacuum chambers, cleanrooms, satellite systems—demand more from lubricants. Our team understands that because we blend, filter, and fill each batch ourselves, monitoring every process parameter, and sampling lab vials until the outcome is right. Anyone who has scrubbed stubborn hydrocarbon residues out of sensitive equipment knows how hard it is to find a lubricant that resists chemicals, heat, and reactive gasses. PFPE grew out of that struggle.
Our facility started with traditional lubricants, and we saw the limiting factors firsthand. Mineral oils break down in vacuum, and even so-called “synthetic” varieties carbonize or gum up at temperatures above 250 °C, often leaving sticky residues that call for manual cleaning and unexpected downtime. Our chemists began synthesizing perfluoropolyethers to solve those repeat failures from the ground up. PFPEs have fully fluorinated chains, which means the carbon backbone stays locked down against thermal, oxidative, and chemical attack. Strong fluorine-to-carbon bonds push decomposition temperatures past 300 °C—real-temperature figures, not just claimed numbers. In the plant, we measure volatility loss below 1% after hours of high-vacuum testing at 150 °C. That kind of performance doesn’t happen by accident. It's the result of carefully managed polymerization, monitored at every step, plus proprietary distillation and end-group stabilization that stop random chain breaks from robbing reliability.
We keep hearing the question: “Do you offer customized viscosity grades?” The answer is always yes, because our reactors are built to handle a comprehensive selection—a spectrum ranging from 10 to 500 cSt at 40 °C. Each model, from PFPE-15 (for delicate wafer bearings or turbo pumps) to heavier models like PFPE-250 or PFPE-350 (high-load, slow-speed gears), reflects requests received from users who encountered galling or stiction in previous set-ups. Unlike thin, short-chain PFPEs that evaporate too fast, or unstable high-molecular weight types that solidify under normal warehouse storage, our blends are fractionally distilled and vacuum dried, engineered to avoid both problems. After filtration through sub-micron elements, we sample each batch and log particle counts—if there’s an uptick, we flush and start again, not just tweak the numbers on the certificate.
Every plant floor manager and service lead can vouch for the headaches that follow when trace metal ions or surfactants sneak into a system—especially in vacuum pumps or cryogenic bearings. Early on, we watched as imported PFPEs introduced just enough ionic contaminants to trigger corrosion in precision ball races. That’s why our internal protocols call for fluoropolymer-lined reactors and multi-stage molecular sieves during synthesis and finishing. We routinely submit samples to third-party labs for gas chromatography—no background contamination, and zero measurable siloxane, sulfur, or other volatile residues. Our approach pauses production if there are unexplained spectrum anomalies, since a single episode of corrosion can compromise a multi-million dollar instrument. Purity, to us, doesn’t mean a vague promise, but traceable ppm-level results, batch by batch.
PFPE lubricants first found traction in semiconductor cleanrooms, where vacuum pumps, wafer handlers, and bearings shudder under both high load and plasma-induced radicals. The initial challenge was simple: how to lubricate rotary feedthroughs and turbo pumps without feeding contaminants into ultra-high vacuum (UHV) assemblies. Our earliest batches solved plasma-induced decomposition and carbon scoring, reducing unscheduled shutdowns. Over time, our research and back-and-forth with technical customers led to new models: For aerospace and satellites, PFPE’s inertness keeps bearings moving even after years of radiation and thermal cycling. In cryogenic applications, low pour points and steady viscosity keep compressors and magnetic bearings free from icing or seizing, even below -80 °C. Wherever we find bearings, gears, or seals that must stand up to oxygen, halogens, acids, or alkalis—and still avoid sticking or galling—PFPE takes over where other fluids tap out.
Different synthetic lubes all claim high tech performance, but side-by-side analysis speaks for itself. Our test rigs compare hydrocarbon ester oils, polyol esters, siloxanes, and perfluoropolyethers under the same abuse: 24-hour cycling from -40 to +200 °C, overpressured with O2 or exposed to strong acids. Every time, hydrocarbon esters degrade, breaking polymer chains and releasing volatile organics, turning oil dark. Siloxanes hold up for a while, but soon form gels and lose lubricity under sustained high temperature. We looked at polyether blends that promote moisture resistance, but they still absorb polarity from atmospheric water, swelling seals and thinning out over time.
After years watching these cycles, PFPE stands apart for one main reason: chemical structure. Complete fluorination blocks water uptake and leaves molecules untouched by nitric, hydrochloric, and sulfuric acid tests performed in our in-house fume hoods. On rotary vacuum pump bearings, PFPE left no brown crusts or hard varnish, even after prolonged overload testing—a result neither PAO nor silicone fluids could match. Where users previously switched out bearings every six months, PFPE stretches life cycles to two years, sometimes three, with less than 0.1% drift in torque or baseline viscosity. The facts back up the claims—oil samples after service come back nearly as clean as unused inventory, a pattern we now expect from customer returns and root-cause failure analysis.
Track records set in high-vacuum environments prove the theory. After installing our PFPE-based lubricants on magnetically levitated turbo molecular pumps, semiconductor lines logged a fivefold reduction in maintenance interventions. One partner running electron microscopes saw service intervals extend from eight months to over three years—cuts in downtime that pay for themselves in labor, replacement costs, and process consistency. Several spaceflight customers, both domestic and international, documented unbroken operation on cryogenic actuators following launches, with lubricant analytics confirming no significant breakdown or outgassing. We tracked the change: switch from competitor F to our PFPE, log less mass loss at bakeout, and watch O-ring swell disappear.
We also see it at the extremes. Testing at -90 °C in aerospace-grade nitrogen purges, samples pulled after a year of start-stop cycling showed near-zero viscosity drift and lubricity strong enough to keep micro-gears gliding without chatter. Even the most precise glass or ceramic ball bearings in analysis tools keep moving clean—no flaking, pitting, or corrosion, even under weeks-long runs exposed to O2 plasmas or residual acid mists. It's why we see regular inbound requests from research labs who have tried other synthetics only to see them degrade under the combined effects of gas flow and radiant heat.
The world’s leading chipmakers have zero tolerance for ionic contamination, outgassing, and hydrocarbon vapors. Cleanroom guidelines demand lubricants that don’t send even trace volumes of molecular fragments back into vacuum. Over almost two decades, we’ve adjusted our production controls for this audience—quartile testing every batch, running sub-ppb level FTIR on random samples, rejecting anything outside narrow bandpass. Where industry standards allow for a few ppm of unidentified peaks, we set our own bar lower. People ask why we bother; the reason is clear: a single batch with stray organics can cost millions in defective wafers or out-of-spec test results.
To meet this strictness, we track every drum, tote, and five-liter bottle with batch records linked to real-time spectrometry and gravimetric data. If an anomaly turns up, the batch never ships. That expectation doesn’t come from marketing—it’s the result of plant-level lessons, after working side-by-side with QA engineers watching for the slightest uptick in field failures, knowing that clean lubricants keep tools running, staff safe, and rejection rates down.
PFPE’s low vapor pressure sets it apart in practice, not just textbooks. On our own vacuum distillation lines, we log vapor pressures down at 10-7 torr at 20 °C, and our in-house mass spectrometers confirm minimal molecular mass loss, even under repeated thermal cycling. That translates to less pump oil backstreaming and long-term stability for vacuum systems. Pour points hit -80 °C; kinematic viscosities remain steady across wide temperature gradients, posted in our production logs and confirmed by independent, blind-retest QA.
Unlike mineral-derived bases, PFPEs do not oxidize or hydrolyze. The product won't react with liquid O2, fluorine-bearing gasses, or acid/alkali atmospheres, which protects seals and surfaces from corrosion. No carbon built-up, no plasticizer-effect on O-rings, and no embrittlement—data drawn from test runs and thousands of lube analysis reports after real-world service. Wear scar diameter reduction on steel ball-on-plate testing, documented in our workshop, consistently ranks below what any ester or PAO synthetic achieves.
We know most gearheads and techs need more than numbers—they want lubricants that do not require frequent checks, keep seals stable, and cut down on teardown hours. It helps morale and productivity to know once-difficult assemblies keep on running, with no grease purging, foul odors, corrosion streaks near fittings, or vacuum leaks after routine thermal cycling. You get a more predictable schedule, fewer missed shifts for maintenance, and notably less waste sent for hazardous disposal.
We see the impact on the bottom line. Tighter procedures for collection and recovery mean operators don’t need to worry about confined-space hazards or chemical incompatibility. No need to don full bleach suits or filter respirators for every inspection. Once PFPE replaces unstable or high-Pb specialty legacy greases, site reports track drops in unscheduled pump swap-outs and lubricant reconditioning downtime. Less time cleaning means more output—facts observed in dozens of facilities using our bulk shipments over recent years.
From the start, we have provided PFPEs knowing compatibility with a range of seals and elastomers matters as much as base lubricant performance. Our records show the most reliable performance alongside PTFE, FFKM, and FEP components—seals stay flexible, free from embrittlement, and maintain low compression set even after years in high-vacuum or high-thermal stress. Common elastomers like NBR, EPDM, and fluoroelastomers work, too, but we advise against bare natural rubber where repeated high heat may occur. Our in-house labs document this in color-change and tensile loss records; the charts don’t lie.
Every shipment includes detailed compatibility data. Not as a boilerplate, but as a direct answer to field techs and engineers who found themselves making late-night repairs due to seal sweating, expansion, or shrinkage after inferior fluids leached away plasticizers. Many shops keep a log of successful repair cycles—our PFPEs feature, again and again, as the reason rebuilt systems clock the longest intervals before the next overhaul.
Our PFPEs show up as both fluid lubricants and thickened greases. Plant floor requests drove us to blend with selected PTFE thickeners, yielding finished greases stable at both -60 °C and +250 °C, fit for slow-moving gears, stepper motors, or exposed drive chains. These greases support extended periods at high load, never weeping oil or forming crust at gear mesh points. Pump and turbine engineers notice the difference most: after 5,000+ hours, bearings still spin smooth, with none of the acid burn or micro-pitting seen with conventional high-temperature greases.
Choosing between grease and oil forms is mostly about application specifics—not marketing spin. We talk direct with each user about what surfaces, speeds, and loads they see, because real results always tie back to the demands of the task, not only technical parameters listed in a brochure. We package oils from 0.5-liter samples to hundred-liter totes, and greases from tubes to bulk buckets, ready for line-fill or spot-use.
PFPE works in systems aimed at minimizing direct release to atmosphere. Because the fluid’s fluorinated stability means negligible evaporation or chemical reaction, recordable occupational exposures remain well below regulatory thresholds. Unlike some legacy synthetic oils, ours do not produce environmentally persistent breakdown products during service; the spent oil streams, managed properly, don’t mix with water systems or local waste. Spills wipe up clean, and plant-use records confirm no emissions or surface residues linger after proper clean up.
Operators who handle the lubricant daily report low odor, no irritation or visible staining—a welcome difference for staff used to working with reactive or silicone oils. We ship every batch from a dedicated, fluoropolymer-sealed filling line, so there’s no chance of cross-contamination. Handling teams follow routine gloves-and-glasses protocols; we’ve never had a documented chemical burn, cleanup complaint, or unexpected toxicity claim in over a decade of shop use. While we keep SDS and safety fact sheets on hand, most user questions concern only basic handling, and even that feedback keeps trending down as the product becomes familiar on site.
We do not make PFPE in a vacuum. Over the years, we’ve learned to listen to field stories—what worked, what stubborn issues remained—from teams running everything from electron microscopes to windings in hybrid trains. That feedback shapes our recipes, lab routines, and packaging. Sometimes it means reformulating end-groups for longer shelf life. Sometimes it means upgrading mixers and wiping every fill station after each batch, especially when cleanroom customers add new zero-contamination benchmarks. Just as often, we learn about new application points—a bearing type, a faulty gear mesh, an unexpected environmental stress—justify developing fresh blends or tight-filtration regimens.
We keep in touch with the technical professionals who actually run the equipment. Our records show which lots performed best in which scenario, and which tweaks made life easier for mechanics and maintenance crews. In doing so, we treat each feedback log as a field trial—every return, every complaint, every request for a blend with slightly different viscosity or chemical resistance, means a chance to improve. This way, the next drum of PFPE reflects the whole collective memory of every operator and chemist in our network—not just a fixed formula, but a work in progress that stays tuned to real-world needs.
After years spent running synthesis, packaging barrels, and answering emergency calls after unexplained gear failures, we have a straightforward view. PFPE isn’t just for “special applications”; it became our standard because enough real-world failures demanded better tools. From the way our reactors run to the practices we follow for batch analysis and record-keeping, the fluid’s resilience, chemical inertia, and physical stability became self-evident. Shops, research labs, satellite integrators, cleanroom engineers, and vacuum pump repair teams each find their own edge with PFPE. Their insights and our own production-floor lessons now set the benchmark.
In sum, every drum or pail we ship has been built on lab analysis, process control, operator feedback, and a refusal to settle for “good enough.” The performance is not just claimed; it’s been checked, cycled, and re-checked, so field users can trust their equipment, reduce downtime, skip marathon cleaning sessions, and focus on output—not on the lube. That’s the real heritage of PFPE from a manufacturer’s view, and the reason it stands apart in the world’s toughest jobs.