TPU Film Applications Across Industries

TPU film produced on gwell extrusion lines serves a broad and growing range of industries:

• Footwear: Shoe upper films, transparent toe cap films, waterproof/breathable shoe lining films, screen printing base films, and sole materials. TPU replaces PVC in shoe applications due to superior environmental performance.
• Waterproof & Breathable Garments: TPU breathable membrane films for outdoor jackets, sportswear, and protective clothing. Polyether TPU is preferred for its hydrolysis resistance and moisture vapor transmission.
• Automotive: Paint protection film (PPF), car seat surface films, dashboard protection, and interior trim components. UV-stabilized TPU grades provide 5–10 years of outdoor service life.
• Bags & Luggage: Transparent window films, waterproof zipper covers, and surface protection films for backpacks, handbags, and travel goods.
• Sports & Leisure: Inflatable products (boats, mattresses, pool toys), sports equipment protection films, and camping gear components.
• Medical & Healthcare: Medical-grade TPU films for wound dressings, surgical drapes, and medical device components requiring biocompatibility and sterilization resistance.
• Electronics: Screen protector films, phone case inner films, cable/wire jacketing films, and flexible electronics substrates.
• Stationery & Office: Book cover films, document protection films, binder covers, and folder surface films.

Why Choose gwell for Your TPU Film Extrusion Line?

• In-House Manufacturing: Machine barrels, screws, T-dies, and rollers are all manufactured in-house at gwell’s facilities, ensuring quality control from engineering drawings through final installation and commissioning.
• Multi-Layer Expertise: gwell’s co-extrusion T-die systems enable precise multi-layer thickness control, allowing manufacturers to produce sophisticated composite TPU film structures with different hardness, color, and functional properties in each layer.
• Proven Global Track Record: Over 500 plastic engineers serve gwell customers worldwide, with sales offices in Turkey, Vietnam, Thailand, Brazil, and Canada providing local technical support.
• Competitive Pricing: gwell extruders offer performance comparable to top European equipment at significantly more affordable prices, typically saving buyers 30% on capital expenditure.
• After-Sales & Spare Parts: gwell maintains stock of all critical spare parts and offers remote cloud monitoring for proactive maintenance, ensuring maximum production uptime.

Get a Free Quote for Your TPU Film Production Line

Whether you are producing waterproof breathable films for outdoor garments, paint protection films for the automotive industry, or transparent TPU films for footwear and electronics, gwell Machinery can provide a customized TPU casting film extrusion line tailored to your layer structure requirements, target film specifications, and production capacity needs. Contact our sales engineering team for a detailed technical proposal, budgetary pricing, and delivery timeline.

Q1: What is the difference between TPU cast film and TPU blown film?
TPU cast film is produced by extruding molten TPU through a flat T-die onto a chilled roller, resulting in superior optical clarity, more uniform thickness control, and higher production speeds. TPU blown film is produced by extruding TPU through an annular die and inflating it into a tubular bubble. Cast film typically achieves better transparency (essential for phone screen protectors and paint protection films) and tighter thickness tolerances, while blown film offers better balance of properties in both machine and transverse directions. For most TPU film applications requiring transparency and multi-layer co-extrusion, casting is the preferred production method.

Q2: Can a TPU casting film extrusion line produce multi-layer films?
Yes. gwell’s TPU casting film lines are specifically designed for multi-layer co-extrusion. The 2-extruder configuration (JWS90+JWS100) produces A/B two-layer films, while the 3-extruder configuration (JWS90+JWS90+JWS90) produces A/B/A three-layer films. This allows manufacturers to combine different TPU hardness grades, colors, or functional properties in a single production pass — for example, bonding a soft 80A inner layer to a hard 95A outer layer — without a separate lamination step.

Q3: What is the production capacity of a gwell TPU film extrusion line?
gwell offers two TPU casting film line models. The JWS90+JWS100 two-extruder line produces 200–250 kg/h, and the JWS90+JWS90+JWS90 three-extruder line produces 200–300 kg/h. Both models produce film with a width range of 1000–2000 mm and thickness from 0.02 to 0.5 mm. The PLC control system enables one-person operation with precise parameter adjustment for consistent film quality.

Q4: What TPU hardness range can be processed on a casting film line?
For casting film applications, the typical TPU hardness range is Shore A 80A to 95A. Softer grades (80A–85A) are used for flexible applications like shoe linings, inflatable products, and waterproof breathable membranes. Harder grades (90A–95A) are used for wear-resistant applications like paint protection film, screen protectors, and industrial component films. gwell’s multi-extruder lines can co-extrude films combining different hardness grades in each layer, providing both surface durability and internal flexibility.

Q5: What is the difference between polyester TPU and polyether TPU film?
Polyester TPU offers better tensile strength, tear strength, abrasion resistance, oil resistance, and transparency — making it ideal for footwear soles, industrial components, and transparent films. Polyether TPU offers superior hydrolysis resistance, microbial resistance, low-temperature flexibility (as low as -40°C), and higher resilience — making it the preferred choice for waterproof/breathable garments, cold-climate applications, medical devices, and water-contact products. Both types can be processed on the same gwell casting film line with appropriate drying parameter adjustments.

Q6: How do you dry TPU material before extrusion?
TPU resin pellets — especially polyester TPU which has higher moisture content — must be thoroughly dried before extrusion to prevent bubbles, surface defects, and degradation. A dehumidifying hopper dryer is typically used at 80–110°C for 3–5 hours to reduce moisture content below 0.02%. Polyether TPU has lower moisture content and requires less demanding drying conditions. Proper drying is one of the most critical steps in TPU film production and directly affects film clarity and mechanical properties.

Q7: What is TPU film used for?
TPU film is used across a wide range of industries. Major applications include: footwear (shoe uppers, toe caps, waterproof linings), waterproof/breathable garments (outdoor jackets, sportswear), automotive (paint protection film, interior surfaces), bags and luggage (transparent windows, waterproof covers), sports and leisure (inflatable products, equipment protection), medical devices (wound dressings, surgical drapes), electronics (screen protectors, cable jacketing), and stationery (book covers, document protection). TPU is increasingly replacing PVC due to its superior environmental profile and non-toxic properties.

Q8: Can TPU film replace PVC film?
Yes. TPU film can replace PVC film in virtually all applications where PVC is currently used, and it offers several advantages: TPU is non-toxic, halogen-free, and recyclable — addressing the growing regulatory restrictions on PVC in many markets. TPU also provides superior abrasion resistance, better low-temperature flexibility, and higher resilience compared to PVC. The main trade-off is that TPU raw material costs are higher than PVC, but the performance advantages and regulatory compliance benefits often justify the premium, particularly in footwear, medical, and automotive applications.

Q9: How long does it take to install a TPU film extrusion line?
Complete installation and commissioning of a TPU casting film extrusion line typically takes 30–45 days from equipment arrival at the customer’s factory. This includes mechanical installation of extruders, T-die, chill roll unit, and winding system; electrical wiring and PLC control system setup; cooling system connection; trial production runs with TPU material; and operator training on machine operation, parameter adjustment, and routine maintenance. gwell sends experienced installation engineers to oversee the entire process.

Q10: What maintenance does a TPU casting film extrusion line require?
Key maintenance tasks include: regular cleaning of the T-die lips to prevent material buildup and ensure uniform film thickness; inspection and calibration of chill roll temperature uniformity; monitoring screw and barrel wear (TPU is moderately abrasive); checking heater bands and thermocouples for accurate temperature control; maintaining proper drying system performance; and periodic inspection of winding system tension controls. gwell Machinery provides remote cloud monitoring that tracks machine operating parameters in real-time, enabling predictive maintenance to minimize unplanned downtime. Critical spare parts (screw elements, heater bands, die lips, chill roll bearings) are kept in stock for rapid delivery worldwide.

Contact GWELL’s professional technical engineers today to discuss
your production layout and obtain competitive pricing.
Contact Persons: Liam / Max
Email: saled@gwell.cn / salem@gwell.cn
Tel/WhatsApp (Liam): +86 15906224102
Tel/WhatsApp (Max): +86 15906227399

The whole extrusion line that we often adopt ocean shipping for saving cost,The nearest port of departure is China Shanghai,but if urgent cases like small spare parts,we will send to customer factory by air. Otherwise you can either use your own assigned shipping agent or our cooperative forwarder.

Liam：Email:saled@gwell.cn Whatsapp/phone:+86 15906224102

Max: Email:salem@gwell.cn Whatsapp/phone:+86 15906227399

24 hours/7 days available

Yes,Gwell is complete set of customized turn-key engineering project which include hardware& software design, technology commissioning and after-sales service.Otherwise we can provide formula support.

It will take 1-4 months to produce,which caused by different reqiurements of customers and design for each extrusion line.

Our Trading capacity is about 1,000 extrusion lines every year,and Gwell has exported to over 60 countries and regions for nearly 15 years.

Yes,Gwell sale teams will provide specification according to customer’s requirements,meanwhile we can give the technical support to customers. Beacause we are not only sales but also technicians.If you are interested in our extrusion machine,please contact us.

We are committed to produce sheet,film,board extrusion machine.Sheet extrusion machine includes PET sheet, PP、PS sheet, PLA biodegradeble sheet, PETG sheet extrusion machine, PVC soft sheet, PMMA、GPPS sheet extrusion line and so on.Film extrusion machine includes EVA、POE solar film, PVB film, TPU film, PETG film, ASA film and so on.Board extrusion machine includes PC solid board, PP、PE board ,etc.and other extrusion machine like floor, hollow, waterproof , foaming, non-woven fabric extrusion making machine.

International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW.

Terms of Payment: LC, T/T

Delivery date:1-4 months

GWELL is a national high-tech enterprise specializing in the manufacturing of high polymer material flat forming equipment. After more than a decade of rapid development, the company now has three manufacturing bases and a foreign trade platform in Shanghai. The manufacturing bases are located in Taicang City, Jiangsu Province, Chongchuan District, Nantong City, and Dafeng District, Yancheng City, all in the central area of the Yangtze River Delta. The total area of the bases is over 300 mu, with a total construction area of more than 180,000 square meters. The company has three senior researchers, five industry experts, and over 100 senior engineers, engineers, and technicians in mechanical, electrical, and high polymer materials fields. The total number of employees is over 500. For three consecutive years, the company's sales in the flat forming equipment field have exceeded 1 billion yuan, making it a leading enterprise in the domestic and international flat forming equipment industry. The company has over 300 sets of various gantry machining centers, precision machining centers, laser forming machines, and CNC machines. With advanced processing equipment, a gathering of professional talents, and a high degree of integration of industrialization and informatization, the company has the capacity for large-scale customization and the manufacturing of super-large and heavy equipment, with an annual production capacity of over 1,000 sets of flat forming equipment. As a leading enterprise in the industry, GWELL is committed to the research and development of high-end products and the innovation of technologies. It has undertaken several provincial key and core technology research projects. In the fields of photovoltaic, automotive, and packaging, many of its technologies are at the international leading level, and many of its products are in a dominant position in the market.

"Professionalism shapes customer value, and technology reflects product value" is the company's basic business philosophy. Cross-disciplinary engineering technology integration customization is the company's core competence. Through long-term efforts, the company has competitive advantages in the following aspects:

Product delivery capability: Over 5,000 sets of flat forming equipment have been delivered, and products have been exported to over 60 countries and regions.

Innovation capability: Over 100 patents have been authorized, including over 10 invention patents; five major equipment first-of-a-kind projects have been recognized at the provincial level.

Service support capability: There are over 50 full-time after-sales service engineers and over 60 professional technical support engineers.

The company has successively obtained the three certifications of quality, environmental protection, and occupational health, and has been awarded titles such as "Technology Small Giant", "Gazelle Enterprise", "Three-Star Star Enterprise", and "Four-Star Enterprise in Industrial Internet and Cloud Platform". As a postgraduate workstation of Southeast University, a provincial technology center, and a provincial specialized, refined, distinctive, and innovative enterprise, the company adheres to the principle of upholding tradition and innovation, working hand in hand with partners to move forward. It takes the employees as the foundation, the customers as the center, leads the market with technology, and repays the society with dedication and responsibility.