© 2026 Anhui Liwei Chemical Co., Limited,
All Right Reserved
|
HS Code |
969381 |
| Transparency | High optical clarity, light transmission up to 95% |
| Thickness Range | Typically 12 μm to 250 μm |
| Chemical Resistance | Excellent resistance to chemicals and solvents |
| Thermal Stability | Usable from -200°C to +150°C |
| Tensile Strength | Ranges from 40 to 50 MPa |
| Melting Point | Approximately 260°C |
| Flammability | Self-extinguishing and low flammability |
| Moisture Absorption | Very low, less than 0.01% |
| Weather Resistance | Outstanding UV and weather resistance |
| Surface Energy | Low surface energy, non-stick properties |
| Electrical Insulation | High dielectric strength and low dissipation factor |
| Density | About 1.7 g/cm³ |
As an accredited ETFE Special Engineering Film factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | ETFE Special Engineering Film is packaged in 50-meter rolls, sealed in moisture-proof polyethylene bags, and shipped in sturdy cardboard cartons. |
| Container Loading (20′ FCL) | 20′ FCL can load approximately 20,000 kg ETFE Special Engineering Film, securely packed on pallets or rolls for safe international transit. |
| Shipping | ETFE Special Engineering Film is securely packaged in rolls, protected with plastic wrap and sturdy outer cartons or crates to prevent damage during transit. Shipments are clearly labeled, comply with international shipping standards, and may include moisture barriers. Generally shipped via air, sea, or land, ensuring safe, efficient delivery. |
| Storage | ETFE Special Engineering Film should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. Keep the film in its original packaging to prevent contamination, moisture absorption, and physical damage. Avoid contact with strong acids, alkalis, or solvents. Ensure storage conditions maintain ambient temperatures and minimize exposure to dust and mechanical stress. |
| Shelf Life | ETFE Special Engineering Film typically has an indefinite shelf life when stored in cool, dry, and UV-protected conditions, with intact packaging. |
Competitive ETFE Special Engineering Film 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!
Years on the manufacturing floor have taught us that every material has its limits, and most engineering films hit a wall once you push them into demanding chemical or harsh outdoor environments. Traditional fluoropolymer films like PTFE or FEP have worked well for many clients, but there are jobs where nothing but ETFE film can do the trick. Our team has spent countless hours refining both resin selection and extrusion techniques to produce ETFE Special Engineering Film that stands up to heat, chemicals, and mechanical wear. We have seen our ETFE film withstand temperatures up to 150°C, aggressive acids, and the chronic exposure to UV that ruins most plastics after only a few months.
We manufacture this ETFE film in several thicknesses from 12 microns up to 250 microns, and offer it in widths suitable for roll-to-roll conversion through to big architectural panels. Consistent flatness and tensile strength come straight from rigorous process control and using high-purity resins—no off-cuts or recycled scrap end up in our premium grades. Surface finishes vary depending on the application; our customers in electronics often need ultra-smooth film for insulation and capacitors, while clients in construction demand textured surfaces for better adhesion in composite laminates.
There’s no substitute for field feedback. The earliest projects to use our ETFE engineering film came from solar panel manufacturers who simply could not stop module failures caused by yellowing or embrittlement when they tried to cut costs by using lower-grade polymers. Later, industrial chemical companies approached us needing liner material for reaction vessels that had to survive hydrofluoric acid for years. In both examples, traditional PVC or PET-based films simply broke down; even common fluoropolymers lost mechanical flexibility or oxidized.
Out in the field, installers taught us that ETFE film’s low coefficient of friction has more than just theoretical value; dirt and dust can’t cling to it, which means less maintenance on solar arrays or greenhouse roofs. Electrical engineers pointed out the high dielectric strength of ETFE—over 150 kV/mm—which lets them create thin, lightweight insulation that doesn’t break down or develop pinholes.
Based on decades of hands-on testing, ETFE film outperforms both PTFE and FEP in overall durability and process flexibility. PTFE film handles even harsher chemicals but proves difficult to weld or thermoform due to its extremely high melting temperature. FEP is easier to seal, but doesn’t hold up to strong sunlight or mechanical abuse over long stretches of time. ETFE bridges these gaps—it’s strong yet flexible, resists acids and alkalies, and stays optically clear even after years outside.
Between these major polymers, ETFE delivers the lowest overall weight for its strength and can be installed over wide spans without mechanical supports. Our greenhouse clients switched from glass and polycarbonate panels to ETFE films to gain both energy savings and lower breakage risk; in the lab, those same panels let through more of the light spectrum that plants actually use, boosting productivity per square meter.
From the production line, our engineers receive steady requests for custom ETFE solutions. The aerospace sector relies on ultra-thin sheets laminated into composite skins for satellites, since an extra gram per square meter becomes costly once launched into orbit. In civil engineering, ETFE film enables lightweight roofing systems on stadiums and airports, and eliminates the risk of shattering found in glass or acrylic.
Our team works closely with designers and end-users to tune the film characteristics to each application. In pharmaceutical factories, ETFE-lined isolators prevent contamination and chemical degradation. In marine environments, clients use ETFE to line tanks and covers where salt and sun rapidly destroy standard films. This hands-on approach lets us catch manufacturing defects early, adapt material blends for tough jobs, and guarantee clients a reliable solution for years—never just a quick patch.
Experience counts for a lot here. The first time we tried welding ETFE for a greenhouse project, a rookie mistake in temperature setting led to ugly seams and weak joints. After months of practical trials, we developed a reliable welding window: too cold and the film splits along the seam, too hot and it loses strength. Our workshop now demonstrates consistent, bubble-free welds every time on sheets from 50 to 250 microns.
Converting ETFE for electronics requires a different toolkit. Our clean-room lines run slitting and rolling at low tension to prevent static and surface scarring; static charges can attract dust faster than any supervisor can spot it. We learned to install grounding lines and air knives to keep the surface pristine, essential for flexible printed circuits and high-end sensors.
Every year brings tougher environmental standards and increasing demand for long-lifetime building materials. Contractors and buyers have learned the hard way that up-front cost savings mean little when cheap films fail after two seasons. Our ETFE film, by contrast, keeps its clarity and toughness for decades with almost no maintenance. In solar energy and agriculture, this reliability has translated into lower operating costs, fewer downtime events, and measurable increases in yield.
Through collaboration with global clients, we've refined the formulation so it meets fire retardancy targets without relying on fillers that weaken the structure. Unlike polycarbonate, which yellows and cracks from heat, or PVC that off-gases under strong sun, ETFE gives architects and engineers a trustworthy material for projects demanding decades of outdoor service.
Sustainability is not a buzzword here—it’s a daily production challenge. Running a chemical plant means managing waste and emissions every shift. ETFE stands out among engineering plastics for its process yield and end-of-life recyclability. Trimmings from our sheet lines go straight back into the process for utility-grade film. Production uses closed-loop systems to capture and recycle solvents, cutting down on the environmental footprint compared to legacy fluoropolymer plants from years past.
While no production is truly zero-impact, the service life of ETFE film—often measured in decades—means less frequent replacement, fewer landfill shipments, and a lower cumulative carbon cost over the building’s lifespan. Some clients have even asked us to develop reclamation protocols when stadium roofs finally come down; the material can be cleaned, remelted, and re-extruded into new film, cable sheathing, or geomembrane liner grades.
Right now, we’re supplying ETFE special engineering film to solar developers across regions with hurricane risk. These clients trust the tear resistance and stretch tolerance of ETFE for rooftop arrays that must survive powerful storms. Design teams always challenge our process engineers to push thickness tolerances tighter or deliver odd sheet widths for rapid onsite installation; feedback from these high-pressure jobs cycles straight back into our manufacturing controls, helping us spot bottlenecks and sources of variability.
Research labs order ultra-clear ETFE grades tailored for UV transmission in bioscience growth chambers. We supply their orders only after full spectrographic inspection—every roll shows the measured transmission curve, not just theoretical values. For automotive suppliers, we provide film with precision-cut holes for sensor protection and wire insulation, punching every pattern in line to reduce labor on the assembly floor.
No matter how advanced the polymer, critical sheet performance comes down to how it’s handled on the line. Early on, we found that uneven cooling just after extrusion led to ripples or warping—problems that show up months later during field installation. We designed custom cooling beds and installed real-time thickness sensors to catch these flaws before winding onto a roll. Problems with entrapped gas bubbles cropped up as we ramped up production speed, which pushed us to experiment with die design and fine-tune resin viscosity for smoother melt flow.
Surface contamination became a challenge as the lines accelerated. Each film roll now passes through multi-stage filters before slitting, and operators monitor cleanliness with both UV and white light to spot tiny inclusions that act as weak points during welding.
We rarely see such combined chemical and mechanical stability in other engineering films. After field tests spanning more than a decade, our archival samples retain more than 90% of their tensile strength and nearly full color transparency. Acid tank liners made from ETFE continue working without pinholes or cracking. Roof panels on early greenhouse projects remain unyellowed and structurally sound after years in the intense summer sun, providing real-world confidence to our clients.
It pays to learn from customer feedback. After hearing from installation teams about slippage during assembly in humid conditions, we developed ETFE film grades with micro-texturing on one side, delivering better grip for both automated machinery and manual positioning. Aerospace clients pressed us for even thinner films to reduce mass, so we overhauled our die design and resin drying protocols to deliver uniform sheets as thin as 12 microns with consistent tensile properties.
Some electronic packaging companies needed a softer, more compliant film for unique flexible displays. In response, we tweaked our polymer blend to tune elongation and shrunk minimum order volumes so startup teams could conduct real R&D, not just run simulations. Listening to these challenges has allowed us to stay ahead of simple commodity producers and deliver material that genuinely fits the job.
Our position as a direct manufacturer means we take full ownership over every stage—resin sourcing, compounding, film extrusion, and finished roll conversion. This lets us customize film grades beyond what traders or distributors can offer with stock sheets. When a client faces a change in specification—perhaps a lower outgassing requirement for a medical sensor, or a new ASTM fire test—our technical team can tweak parameters on the fly, sampling adjustments from the same production batch. Issues with switching resin lots, color shifts, or mechanical consistency almost never come up thanks to stable, tracked supply chains and in-house QC.
We also open up our floor to visiting customers for quality audits—they see every critical control point for themselves, from raw resin testing to finished film packaging. For high-stakes builds, especially in aerospace or chemical protection, such transparency reassures buyers that they are not just getting repackaged goods but true engineered film with a documented history.
Even the best material performs only as well as its installation. So our team runs training sessions on site and online, walking installers through welding, tensioning, and surface cleaning. Early adopters in solar and construction saved thousands by learning these handling tricks, reducing scrap rates and downtime. Our tech reps often join client teams on new projects to work through the first few installations, documenting what works and flagging equipment tweaks needed for flawless film seams and joint strength.
Trouble never disappears in manufacturing, but clear communication and in-depth support help catch issues before they snowball. Our customers know they can talk directly to engineers, not sales reps, when troubleshooting a tricky weld seam or searching for a new grade for a novel chemical process.
Continued demand for ever-larger modular structures, tougher chemical environments, and lower-weight electronics drives constant upgrades in ETFE film production. We invest in pilot lines to test new grades, including anti-fog finishes for horticulture and antistatic films for sensitive electronics. As government regulations increasingly favor halogen-free and fully recyclable materials, ETFE stands out—it achieves flame retardancy without brominated compounds or fillers that harm the environment.
We remain committed to continuous improvement—testing new resin sources, broadening our thickness and width ranges, and evolving both machine and manual handling protocols. By keeping technical discussions open with architects, plant engineers, and R&D teams worldwide, our ETFE special engineering film keeps pace with tomorrow’s demands, delivering reliable, long-life performance backed by real hands-on experience.
