Products
Products
Products
| HS Code | 655005 |
| Material Type | Polyethylene Terephthalate (PET) |
| Release Agent | Non-silicone |
| Thickness | 25-100 microns |
| Width | up to 2000 mm |
| Surface Finish | Smooth |
| Release Force | Low |
| Temperature Resistance | Up to 180°C |
| Color | Transparent or translucent |
| Application | TPU cast film release |
| Tensile Strength | High |
| Elongation | Moderate |
| Moisture Resistance | Excellent |
| Heat Stability | Good |
| Reusability | Multiple cycles |
| Surface Energy | Controlled, non-polar |
As an accredited Non-Silicone PET Release Film for TPU Cast Film Process factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | High-quality Non-Silicone PET Release Film for TPU cast film process, 100-meter rolls, securely wrapped in moisture-proof plastic and boxed. |
| Container Loading (20′ FCL) | 20′ FCL: Loaded with securely palletized rolls of Non-Silicone PET Release Film, moisture-protected, tightly wrapped, and safely braced for transport. |
| Shipping | The Non-Silicone PET Release Film for TPU Cast Film Process is securely packed in rolls with protective wrapping to prevent damage. Rolls are shipped on pallets, clearly labeled for identification. Standard shipping is by sea or air, with lead times of 2-4 weeks depending on order size and destination. |
| Storage | Non-Silicone PET Release Film for TPU Cast Film Process should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. Keep the product in its original packaging, protected from dust, moisture, and physical damage. Avoid exposing the film to high temperatures or humidity to maintain its release performance and material integrity. |
| Shelf Life | Shelf life of Non-Silicone PET Release Film for TPU cast film process is typically 12 months when stored in original packaging, cool, dry conditions. |
As a direct manufacturer of Non-Silicone PET Release Film, we supply film materials designed specifically for the precise requirements of TPU cast film operations in multiple advanced manufacturing sectors. Downstream applications utilize the unique surface stability and contaminant-free release properties of our film to meet diverse functional and regulatory needs.
In textile lamination, our release film serves as a carrier during the hot melt TPU adhesive film production. The film’s high heat resistance and non-silicone surface prevent transfer of unwanted residues onto textile substrates. This maintains final product fastness and flatness for technical and consumer laminates. Manufacturers rely on our material to ensure defect-free detachment and consistent gauge control, especially during high-speed roll-to-roll lines for functional apparel and technical fabric composites. Strict oversight of surface cleanliness minimizes risk of delamination and assures compatibility with garment and industrial textile standards.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Electronics manufacturers use our specialized release film as a substrate for casting optically clear TPU films required in protective layers for mobile device screens, automotive panels, and flexible displays. The film's non-silicone release surface guarantees no silicone migration, which is critical to achieving flawless optical performance without haze or micro-contamination during laser fabrication or lamination into display modules. Consistent film tension and clarity surface properties support high-yield production of highly transparent screen protectors and bonding tapes.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Medical device and advanced wound care manufacturers deploy our release film as a critical support for medical-grade TPU casting used in conformable barrier films, adhesive layers, and advanced wound contact sheets. Non-silicone release chemistry is essential for applications requiring low potential for cytotoxicity and no silicone transfer, complying with strict biocompatibility and extractables requirements. Our film supports defect-free, high-yield lamination, and high sterilization stability, crucial for disposable and durable medical supplies.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Tier 1 and Tier 2 automotive suppliers use our release films as a process liner for TPU-based laminates integrated into premium interior upholstery, headliners, instrument panels, and door trims. Non-silicone formulation supports consistent adhesion during back-injection or vacuum lamination without risk of paintfish, fogging, or downstream delamination during vehicle lifetime. Consistent film gauge and mechanical strength assure zero shift or shrinkage during thermal forming and complex contour wrapping, supporting high output and tight tolerances.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Graphics converters and specialty print houses employ our non-silicone release film as a carrier for TPU films used in manufacturing premium decals, domed labels, and vehicle wrap graphics. The clean release ensures no surface residue, supporting subsequent digital printing, hot stamping, or laser cutting. This supports dimensional stability during high-resolution printing and prevents any surface contamination that would interfere with ink adhesion or foil transfer. Scale manufacturers benefit from reliable handling properties and low static, supporting inline automation and high-speed conversion.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive Non-Silicone PET Release Film for TPU Cast Film Process prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Across the industrial landscape, the demand for clean, reliable release liners in TPU cast film production has stretched both skills and ingenuity. Pulling from decades of hands-on experience at the manufacturing site, we’ve watched PET release films shift the quality baseline. In this environment, non-silicone PET release films have become essential tools, particularly where silicone contamination can spell the difference between a secure product interface and a failed test batch.
Traditional silicone-coated liners have a track record, but they leave behind subtle residues. These traces can introduce challenges in downstream adhesion, thermal welding, or printing applications. The non-silicone PET release film introduces a cleaner alternative. Professionals working on the line see it every day—absent silicone, the work surface remains free from hidden agents that could undermine the characteristics of TPU layers or elastomeric coatings. The lack of transfer means less troubleshooting, fewer batch failures, and happier customers.
Throughout the extrusion hall, PET resin enters the calendering line. Every step counts: melt viscosity, chill roll temperature, surface tension from corona treatment—each tuned to real-world process conditions. Our non-silicone release film takes shape here, with a focus on precise thickness control. Most orders run between 25 and 100 microns, tuned for lasting strength yet not so thick as to become a handling liability. We finish the surface through proprietary inline coating, yielding a distinct surface energy that manages release without silicone chemistry.
Teams at the slitting section know the story. TPU casting lines call for release liners that resist stretching and wrinkling, especially under heat and pressure. PET stands up due to natural dimensional stability. Our non-silicone coating creates just enough release force to let the TPU roll off smoothly, every cycle, every shift. The release strength fits the Goldilocks standard—not too tacky, not too slippery—supporting fast lamination in footwear, medical sheets, printable films, and coated textiles, without trapping debris or fibers. Those running 24/7 lines often comment on how the PET liner keeps its shape after oven runs and maintains surface integrity even when real life pushes the machine speed.
Long experience in the production bay has highlighted key contrasts. Silicone release films, though predictable, create downstream process headaches in some applications. In heat bonding or overmolding, silicone residues interfere by repelling adhesives or paints. Non-silicone PET liners bypass this entirely. The active surface layer is engineered to break away cleanly without leaching into the TPU substrate. Equipment, rollers, and hands stay cleaner. Operators report less equipment fouling and fewer build-ups causing expensive line stops during regular maintenance.
Another difference lies in process adaptability. Silicone-coated liners rely on tight process control, with cross-contamination always lurking. Silicone droplets can settle on machinery or drift into other product flows. In contrast, non-silicone coated PET operates as a closed system for clean manufacturing. PET carries high barrier properties against moisture and certain chemicals as well. Production managers frequently point to the leaner clean-up routines and lower scrap rates when making the switch.
We developed model NL-RF70 for TPU casting after ongoing dialogue with operators and QA managers. This model holds stable over a temperature range common in casting lines, typically up to 180°C. It runs at core thicknesses from 50 to 75 microns, with roll widths spanning from standard 1250 mm to customized orders for unique lines. Each batch meets optical clarity standards, which supports direct visual inspection during quality control stages on the floor. Surface roughness is measured consistently so the TPU flow remains even during coating, cutting down on rejected product fractions.
Static generation can be a concern in high-speed film work. Non-silicone PET, treated with proprietary antistatic technology, cuts down dust attraction inside laminar cleanrooms. The lower static footprint not only protects product quality but also improves working conditions for line teams, who see fewer nuisance shocks and less airborne contamination.
Manufacturers who invest in TPU cast film lines care about both uptime and product consistency. Over the years, the most repeated comment is on release uniformity—each batch, each roll, each pull from the liner must perform as expected. Non-silicone PET liners answer this call. Customers report less time lost to intermittent sticking, peeling, or adhesion loss, translating to lower downtime and more saleable output per shift. The lack of oily film simplifies both cutting and winding, reducing slippage and improving finished roll quality.
From speaking with supervisors during site visits, it’s clear that one of the biggest headaches is foreign particle contamination from reusable silicone liners. Non-silicone PET, designed for single or limited use, cuts foreign fiber rates dramatically. Fewer line stops, lower risk of customer complaints, and a cleaner package all add to the value story for the converter and the OEM alike.
Industries producing high-value films for medical or electronics applications face the strictest requirements on surface cleanliness. Residual silicones interfere with corona and flame treatment, paint adhesion, and layered film building. Non-silicone PET, with a fully synthetic surface chemistry, attracts attention here. Downstream partners—those building multilayer membranes or specialty tapes—appreciate the way these liners deliver uncontaminated surfaces ready for precision lamination or heat bonding, all without a secondary cleaning cycle.
Within footwear, luggage, and outdoor fabrics, TPU film-backed laminates must pass tough bonding and wear tests. Non-silicone PET release film prevents the “fish-eye” defects and peel strength loss often traced back to residual contamination. Over time, the comparative durability and bond consistency have helped winning product lines hold their place in global OEM supply chains.
Waste reduction and process stewardship inspire continuous improvement in our factories. Non-silicone PET release films enable simpler material sorting after use. Without silicone cross-contamination, post-industrial scrap can cycle back for mechanical or chemical recycling. Bales of clean PET liner move from our docks to reclamation partners, closing the circle on resource use and supporting client sustainability goals. Maintenance teams stress how the absence of greasy slippage or surface build-up on conveyance equipment reduces both solvent usage and manual cleaning time per week.
The journey this film takes—extrusion, coating, slitting, winding, inspection, and then shipping—demands a liner that will not fail after weeks in a warehouse or days in transit. Our teams have tightened moisture control in each storage stage. Non-silicone PET holds dimensional stability over extended stock periods. On opening, operators need little acclimatization or edge trimming—the reel is ready to go, matching the specs from order to output. Regular feedback cycles between production, QA, and customer lines drive in-the-field improvements. Every batch history is crosschecked with the released film’s storage and run data, closing the loop between the factory and the shop floor.
The daily grind of real production teaches hard lessons. Films must survive the unglamorous reality of dust, heat, humidity, and hands under pressure. Non-silicone PET release liners, built and tested by the same hands that run the coating kettles and slitting knives, handle the surprises—roller misalignments, quick line speed-ups, last-minute changeovers—without costly hiccups. Experienced operators appreciate simplicity over theoretical performance. They ask: Does it peel as intended? Will it jam the stacker? Does the edge hold up, or does it shed debris into the final wind?
With this perspective, non-silicone PET release film earns its place, supporting clean separation in the TPU cast film process. Production personnel have verified, batch after batch, that these liners deliver freedom from silicone-induced rejection, time-consuming troubleshooting, and inconsistent results. Downstream partners seeking improved printability, weld strength, or long-term bond consistency recognize the measurable difference in their own yield data.
Strong partnerships grow through mutual understanding of the pressures involved in large-scale film casting. Discussing solutions with process leads has challenged our team to improve liner performance on more than one axis—release force, dimensional stability, handling safety, and recyclability all factor into the finished product. Technicians who have swapped from silicone-coated liners report smoother process audits, with fewer flagged defects and less mystery labor assigned to cleaning and equipment resets. Plant managers note that simple changes—like adopting a non-silicone PET liner—deliver measurable savings in downtime, input loss, and out-of-spec product rates.
Some of the loudest praise comes from those shipping premium grade TPU films overseas, where port environments and handling errors can challenge even stubborn liners. Non-silicone PET’s surface remains consistent after exposure to temperature swings or rough handling, preserving both the mechanical and visual quality of the transported film.
Feedback loops from the field shift our manufacturing priorities. Operators’ comments about static, cut-edge durability, and unwind smoothness drive upgrades in film formulation and process control. The lab might set the target, but the actual difference appears on the line, where output rates and surface quality are measured minute by minute. This pushes the factory to streamline coating application—avoiding excess waste—while building liner rolls with the right balance of toughness and peel capability.
Engineers in facility maintenance mention that eliminating silicone also sidesteps costly filter changes and HVAC contamination issues. Through collaboration with those on the front lines, we’ve dialed in the non-silicone PET release film’s slip and coefficient properties, aiming to balance fast throughput against reliable release.
Innovation happens differently on a factory floor than in a lab. By working close to the realities of daily production, the focus stays practical: higher output, reliable separation, less post-process intervention. The non-silicone PET release film, as produced by hands that know the machinery and pressure of constant order deadlines, delivers on core promises—clean separation, low static, dimensional reliability, and recyclability.
The shift away from silicone-laden liners is as much about trust as it is about technical data. Users running demanding TPU cast film processes see results in the most valuable metric: a steady stream of usable, high-quality product. Supply chain partners, from converters to end-user brands, keep returning for that level of reliability.
Advances in release liner technology must keep pace with higher line speeds, tighter regulatory frameworks, and growing sustainability requirements across industries. Machine operators, QA inspectors, and process engineers—those who deal with the daily demands of TPU film production—have all seen the gain from moving to non-silicone PET. The lessons shaped by real people in real factories return to the R&D lab as honest performance benchmarks. The goal remains clear: enable safer, cleaner, and more productive lines while matching the strictest downstream demands for untainted, consistent release performance.
In every winding bay and casting line trial, the true test of a non-silicone PET release film takes place—not in brochures or boardrooms, but in direct results. We continue to invest in that reality, learning alongside those who use the product every day. The focus on non-silicone PET liners represents not just an evolution in materials, but also in the working relationship between manufacturer and user, always striving for the kind of progress that sticks.
