Engineered for exceptional oxygen and moisture barrier performance across food, pharma, electronics, and agricultural flexible film applications.
Ethylene Vinyl Alcohol (EVOH) copolymer is a semi-crystalline thermoplastic resin recognized as one of the most effective oxygen barrier materials available today. Its molecular structure — featuring tightly packed hydroxyl groups — creates an exceptionally dense barrier against gas permeation. When incorporated as a core layer in multi-layer flexible film structures, EVOH delivers oxygen transmission rates (OTR) as low as 0.01–0.1 cc·mm/(m²·day·atm), far surpassing nylon, PVDC, or metallized films in dry conditions.
EVOH barrier film is rarely used as a standalone layer. In commercial flexible packaging, it is co-extruded between tie layers and structural resins such as polyethylene (PE), polypropylene (PP), or polyamide (PA) to form 5-, 7-, or 9-layer composite films. This architecture protects the moisture-sensitive EVOH core from humidity while providing mechanical strength, heat-sealability, and optical clarity — making it ideal for stand-up pouches, vacuum bags, retort pouches, and lidding films.
The ethylene mole content in EVOH resins — typically ranging from 27 mol% to 48 mol% — directly governs the balance between barrier performance and processing flexibility. Lower ethylene content yields superior oxygen barrier but requires higher processing temperatures. Higher ethylene content improves moisture resistance and processability, making it suitable for retort and high-humidity applications. TPS offers a precisely engineered range of EVOH grades to match diverse flexible film processing windows.
Modern packaging regulations and brand owner sustainability commitments are driving demand for recyclable multi-layer flexible films incorporating EVOH. Advances in compatibilizer technology now enable EVOH-containing polyolefin films to be processed in PE recycling streams with minimal performance degradation. Additionally, EVOH's ability to extend shelf life dramatically reduces food waste — a key sustainability metric that positions EVOH barrier films as a net-positive environmental solution across the value chain.
TPS EVOH resins deliver oxygen transmission rates up to 10,000× lower than standard PE films, enabling flexible packaging manufacturers to achieve premium shelf-life extension, active aroma retention, and contamination prevention — all within a lightweight, printable, heat-sealable flexible film format.
The global EVOH resin and flexible barrier film market is experiencing robust growth, driven by escalating food safety regulations, e-commerce packaging demands, and the accelerating shift toward sustainable high-performance materials.
The global EVOH market was valued at approximately USD 1.8 billion in 2023 and is projected to reach USD 3.2 billion by 2032, growing at a CAGR of over 6.5%. Flexible film applications account for more than 65% of total EVOH consumption, with food packaging leading demand. Asia-Pacific — particularly China, Japan, and South Korea — represents the fastest-growing regional market, fueled by rising middle-class consumption and stringent food safety standards.
Historically dominated by Japanese producers, the EVOH supply chain is undergoing significant transformation. Chinese manufacturers like TPS Specialty Chemical are emerging as credible alternative suppliers, offering competitive pricing, shorter lead times, and application-specific grade development. This shift is enabling flexible film converters in Southeast Asia, South America, and Eastern Europe to access high-quality EVOH barrier resins with improved supply security and technical support.
The EU's Packaging and Packaging Waste Regulation (PPWR) and similar global frameworks are mandating minimum recycled content and recyclability targets for flexible packaging by 2030. This is catalyzing investment in mono-material flexible structures where EVOH provides barrier without compromising polyolefin recyclability — a critical commercial opportunity for EVOH resin producers and flexible film manufacturers alike.
The explosive growth of online grocery, meal kit delivery, and pharmaceutical e-commerce is creating unprecedented demand for flexible packaging with extended shelf life and superior barrier performance. EVOH-based multi-layer pouches and films are increasingly specified for these applications due to their ability to maintain product integrity across complex, multi-step cold chain logistics without refrigeration dependency.
Advanced co-extrusion technology, nano-composite EVOH formulations, and AI-driven film structure optimization are converging to push barrier performance boundaries. Next-generation EVOH films now integrate active barrier technologies — incorporating oxygen scavengers within the EVOH layer itself — creating "active-passive" hybrid flexible packaging systems that deliver near-zero oxygen environments for ultra-sensitive products like specialty coffee, medical devices, and high-value electronics.
Global brand owners are increasingly requiring local supply chain partners to reduce carbon footprint and improve supply resilience. TPS Specialty Chemical's strategy of establishing R&D and production capabilities in Chongqing, China — combined with its global distribution network anchored in Hong Kong — positions it as a strategic partner for flexible film converters seeking reliable, application-optimized EVOH barrier resins with comprehensive technical support.
From fresh produce to precision electronics, EVOH flexible barrier films deliver mission-critical performance across the most demanding packaging environments.
EVOH-based vacuum skin packaging (VSP) and thermoformed flexible pouches extend fresh meat shelf life from 5–7 days to 21–28 days, dramatically reducing retail shrink. The EVOH layer prevents oxidative rancidity and myoglobin degradation, preserving color, texture, and nutritional value throughout the cold chain.
Modified atmosphere packaging (MAP) films incorporating EVOH enable precise CO₂/O₂ ratio control within flexible packages, extending fresh produce shelf life by 200–400%. EVOH's printability and optical clarity make it ideal for retail-ready, consumer-facing flexible film packaging with premium visual appeal.
Blister films and flexible pouches for oral solid dosage forms, transdermal patches, and medical devices require ultra-low OTR to prevent API degradation. EVOH-laminated flexible films meet USP, EP, and ICH Q1A stability requirements, providing a cost-effective alternative to aluminum foil in many pharmaceutical packaging formats.
EVOH barrier films in agricultural applications include fumigation retention films for soil treatment and flexible packaging for agrochemical concentrates. The SVW™ EW-4401S grade provides outstanding chemical resistance alongside superior gas barrier, ensuring fumigant efficacy and preventing active ingredient loss during storage and application.
Moisture-sensitive electronic components (MSDs) require packaging with both low OTR and water vapor transmission rate (WVTR). EVOH flexible films with desiccant integration provide IPC/JEDEC J-STD-033 compliant moisture barrier bags, protecting PCBs, semiconductors, and sensors from humidity-induced corrosion and electrostatic damage.
EVOH barrier films in automotive applications include flexible fuel lines, vapor management barriers, and under-hood component wrapping films. The EVOH 2901-AP grade offers exceptional fuel vapor permeation resistance meeting SAE J30 and EPA evaporative emission standards, enabling lightweight flexible alternatives to metal fuel system components.
Premium coffee, snacks, condiments, and ready-to-eat meal pouches demand flexible packaging that preserves aroma, flavor, and freshness. EVOH stand-up pouches and retort flexible packaging withstand 121°C sterilization cycles while maintaining structural integrity and barrier performance — enabling shelf-stable products without preservatives.
Flexible tubes, sachets, and laminate pouches for cosmetics and personal care products benefit from EVOH's chemical resistance and aroma barrier, preventing active ingredient oxidation and fragrance loss. EVOH-containing flexible laminates enable sustainable packaging formats that replace rigid containers while delivering premium performance.



Since its establishment in 1950, TPS Specialty Chemical Limited has always focused on innovation and development in the chemical industry. Headquartered in Argentina, after more than 70 years of development, TPS has grown into one of the leading companies in the global chemical industry. We have branches around the world, especially in Hong Kong, which has laid the foundation for our rapid growth in the global market. As a company with an international vision, TPS actively seeks in-depth cooperation with well-known local chemical companies in many countries and regions to jointly develop a series of innovative products with market competitiveness.
Guided by the philosophy of "complete product categories, integrated services, and deep value-chain expertise," TPS focuses on EVOH resin, CPP and PVDC raw materials, specialty equipment, and high-performance plastic additives, delivering reliable and efficient solutions for diverse industrial applications including flexible film manufacturing.
Get Product InformationIn the Chinese mainland, TPS has set up the R&D center in Chongqing City to focus on the research and development of high-tech materials and successfully launched high-barrier material EVOH resin. This product is widely used in food packaging, medicine and cosmetics with its excellent gas barrier properties and chemical stability, meeting the market's growing demand for high-performance flexible film materials.
Our R&D team combines the technical advantages of multi-parties and is committed to continuously improving the quality and performance of EVOH barrier film products in order to better serve customers and the market. TPS Specialty Chemical Limited has a team of experienced professionals, including chemical engineers, R&D experts and marketing personnel. With their deep industry knowledge and rich practical experience, they provide strong support for the company's continuous innovation and development.
We always attach importance to the growth and training of employees, and strive to encourage teamwork and innovation in a positive working environment so that every employee can fully realize their potential in advancing flexible film barrier technology.



One-Stop Specialty Chemicals Solutions — delivering EVOH barrier film excellence from R&D through global supply.
The company has independent research and development capabilities and multiple patents, advanced production processes and technological innovation capabilities, and can meet the market demand for high-quality EVOH flexible barrier film products.
Large plant and production scale enable efficient production capacity, achieving large-scale EVOH resin manufacturing and reducing unit costs — ensuring competitive pricing for flexible film converters worldwide.
TPS provides diversified EVOH barrier film products covering multiple fields, including food packaging films, pharmaceutical films, agricultural films, electronics packaging, and automotive applications, meeting different market needs.
The R&D center is located in Chongqing, with convenient transportation, facilitating raw material procurement and product transportation. Global distribution through Hong Kong improves logistics efficiency for international flexible film customers.
The company focuses on sustainable development, actively adopts environmentally friendly EVOH barrier materials and technologies, meets modern environmental standards, and enhances market competitiveness in the era of green flexible packaging.
With branches worldwide and deep partnerships with leading chemical manufacturers, TPS ensures consistent EVOH product quality, stable supply chains, and comprehensive application guidance for flexible film manufacturers across all continents.
Emerging technologies and regulatory shifts are reshaping how EVOH barrier films are designed, processed, and deployed across flexible packaging value chains globally.
The next frontier for EVOH in flexible films is the development of all-polyolefin multi-layer structures where ultra-thin EVOH layers (as low as 3–5 µm) deliver sufficient barrier while maintaining recyclability in PE streams. Advanced compatibilizer chemistries are making this technically feasible, and major brand owners are actively qualifying these structures for 2025–2030 packaging transitions.
Machine learning algorithms are being deployed to optimize EVOH layer thickness, ethylene content, and co-extrusion parameters for specific barrier and mechanical property targets. This digital approach dramatically accelerates flexible film development cycles, enabling custom EVOH barrier film solutions to be designed and validated in weeks rather than months.
Research into bio-based ethylene and vinyl acetate precursors is advancing toward partially or fully bio-derived EVOH resins with equivalent barrier performance to petrochemical grades. Bio-based EVOH flexible films would enable brand owners to claim significant reductions in Scope 3 carbon emissions while maintaining the performance standards that make EVOH the barrier material of choice.
Integration of EVOH with oxygen scavengers, antimicrobial agents, and freshness indicators is creating intelligent flexible packaging systems. These "smart barrier" films actively respond to package atmosphere changes, extending shelf life beyond passive barrier capabilities while providing real-time freshness data to consumers and supply chain managers.
Stringent new FDA and EMA regulations for medical device and pharmaceutical packaging are driving demand for EVOH-based flexible films with validated barrier performance, extractables/leachables profiles, and sterilization compatibility. This high-value segment is growing at 8–10% annually, offering premium margins for technically differentiated EVOH barrier film suppliers.
China, India, and Southeast Asia are projected to account for over 45% of global flexible packaging growth through 2030. Local EVOH resin production capabilities — like those established by TPS in Chongqing — are critical to serving this growth with the responsiveness, technical support, and application customization that regional flexible film converters require.
Looking to the future, TPS Specialty Chemical Limited will continue to expand its global business and actively respond to market challenges with the purpose of "innovation-driven, win-win cooperation." We believe that through close cooperation with partners, TPS will play a more important role in the global chemical industry and create greater value for customers and society through advanced EVOH oxygen barrier film solutions for flexible packaging.
Inquiry NowExplore our complete portfolio of EVOH barrier resin grades, engineered for every flexible film application from food packaging to industrial uses.