Our flagship EVOH resin grades are engineered specifically for shelf-life extension across food, pharmaceutical, and specialty packaging applications.
Ethylene Vinyl Alcohol (EVOH) copolymer resin is widely recognized as one of the most effective barrier materials available in modern packaging science. Its molecular structure creates an exceptionally dense network that blocks the passage of oxygen, carbon dioxide, aromas, and other gases that accelerate product degradation.
When used as a functional layer within multilayer packaging films, EVOH plastic resin dramatically extends the shelf life of perishable goods — reducing food waste, lowering supply chain losses, and enabling brands to reach global markets without sacrificing product quality or safety.
The global EVOH market is experiencing robust growth, driven by increasing consumer demand for fresher, longer-lasting products and tightening regulations around food safety and pharmaceutical packaging integrity. EVOH resin is no longer just a packaging material — it is a strategic tool for competitive advantage.
EVOH's unique chemical architecture delivers multi-dimensional protection that no single-layer polymer can match, making it the preferred choice for shelf-life extension across industries.
EVOH delivers oxygen transmission rates (OTR) as low as 0.01–0.1 cc·mm/(m²·day·atm) at low humidity, making it the gold standard for oxygen-sensitive products such as processed meats, dairy, and pharmaceuticals.
Beyond gas barrier, EVOH resins prevent the migration of flavors, aromas, and chemical compounds — ensuring that packaged foods, beverages, and cosmetics retain their intended sensory profile throughout the entire shelf-life period.
EVOH demonstrates excellent resistance to oils, solvents, and organic chemicals, making it ideal for packaging fatty foods, agrochemicals, and industrial fluids where chemical migration or contamination would compromise product integrity.
As a coextrudable layer in multilayer film structures (PA/EVOH/PE, PP/EVOH/PP, etc.), EVOH integrates seamlessly with tie-layer adhesives and structural polymers, enabling cost-efficient, high-performance packaging without compromising recyclability.
Advanced EVOH grades — such as TPS EVOH 3201-CP — are engineered for thermostability, maintaining barrier integrity through retort, pasteurization, and hot-fill processes that would degrade conventional barrier materials.
Specialty grades like TPS EVOH 3801-FF combine both moisture and oxygen barrier properties in a single functional layer, simplifying multilayer structures while delivering comprehensive protection for sensitive products.
From fresh produce to life-saving pharmaceuticals, EVOH resin's versatility enables shelf-life extension across a remarkable range of commercial and industrial sectors.
Vacuum-skin and modified atmosphere packaging (MAP) films incorporating EVOH layers extend the shelf life of fresh and processed meats from 5–7 days to 21–28 days under refrigeration. This enables centralized processing, long-distance distribution, and significant reduction in retail shrinkage. EVOH's near-zero OTR prevents oxidative discoloration (metmyoglobin formation) and microbial growth that lead to premature spoilage.
Fresh produce requires carefully controlled gas exchange. EVOH-based films with tuned permeability allow optimal CO₂ and O₂ balance inside the package, slowing respiration and ethylene-induced ripening. This approach extends shelf life of leafy greens, berries, and cut vegetables by 40–100%, reducing food waste across the cold chain and enabling premium retail presentation.
In pharmaceutical blister packs, bottles, and pouches, EVOH resin creates an impenetrable barrier against moisture and oxygen that can degrade active pharmaceutical ingredients (APIs). Regulatory bodies worldwide recognize EVOH-based packaging as a critical factor in meeting ICH stability guidelines. For moisture-sensitive tablets and oxygen-reactive biologics, EVOH packaging is not optional — it is essential for compliance and patient safety.
SVW™ EW-4401S EVOH is specifically engineered for agricultural packaging — including agrochemical containers, seed storage bags, and greenhouse mulch films. EVOH's chemical resistance prevents solvent permeation from concentrated pesticides and herbicides, while its barrier properties maintain seed viability over extended storage periods. This reduces product loss and ensures reliable performance at the point of use.
Premium cosmetics and personal care products — including serums, creams, and oral care items — are highly sensitive to oxidation and contamination. EVOH barrier layers in squeeze tubes, laminated pouches, and co-injection molded bottles prevent ingredient degradation, extend product shelf life without excessive preservatives, and support clean-label positioning that consumers increasingly demand.
Beyond food and pharma, EVOH resin is a critical component in multilayer automotive fuel tanks and industrial fluid containers. Its hydrocarbon barrier properties reduce fuel vapor permeation by up to 99%, helping manufacturers meet stringent EPA and Euro 6 evaporative emission standards. This industrial application represents one of the fastest-growing segments for EVOH resin globally.


The global EVOH resin market is projected to surpass USD 1.8 billion by 2030, fueled by converging trends across food safety, sustainability, and advanced manufacturing.
Increasingly stringent food contact material regulations in the EU, US, and Asia-Pacific are mandating higher barrier performance. EVOH resin meets FDA, EU 10/2011, and GB standards, making it the compliant choice for export-oriented food manufacturers seeking shelf-life extension without chemical preservatives.
The shift away from aluminum foil and metallized films toward EVOH-based barrier structures is accelerating as brands pursue recyclable and compostable packaging goals. Thin EVOH layers (3–15 μm) deliver equivalent barrier performance with significantly lower material use, supporting lightweighting and circular economy initiatives.
The explosive growth of online grocery and direct-to-consumer food delivery is creating unprecedented demand for packaging that maintains product integrity across extended transit times and variable temperature conditions. EVOH barrier packaging is uniquely positioned to meet this challenge at scale.
As pharmaceutical supply chains globalize and track-and-trace requirements intensify, EVOH-based blister and pouch packaging is being adopted for its combination of barrier performance, printability, and compatibility with digital authentication technologies that protect against counterfeiting.
The booming plant-based food sector presents new shelf-life challenges, as many alternative protein products are highly susceptible to oxidation and moisture ingress. EVOH multilayer films are emerging as the preferred barrier solution for extending the refrigerated shelf life of meat alternatives, enabling mainstream retail distribution.
Next-generation packaging systems are integrating EVOH barrier layers with active oxygen scavengers, antimicrobial agents, and time-temperature indicators. This convergence of passive barrier and active functionality represents the frontier of shelf-life extension technology, with EVOH as the enabling substrate.



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.
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.
In the Chinese mainland, TPS has established an R&D center in Chongqing City dedicated to the research and development of high-tech barrier materials. This center successfully launched our high-barrier EVOH resin product line — now widely used in food packaging, medicine, and cosmetics for its excellent gas barrier properties and chemical stability.
Our R&D team combines technical advantages from multiple disciplines and is committed to continuously improving the quality and performance of EVOH products. Current research priorities include developing EVOH grades with enhanced moisture resistance, improved processability at high extrusion speeds, and compatibility with emerging bio-based polymer systems.
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. Large plant and production scale enable efficient production capacity, large-scale output, and reduced unit costs — ensuring stable supply for global customers.



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 barrier products.
Large plant and production scale enable efficient production capacity, achieving large-scale output and reduced unit costs — ensuring consistent supply reliability for global packaging manufacturers.
TPS provides diversified EVOH resin products covering food packaging, pharmaceutical, agricultural, and industrial applications — offering multiple ethylene content grades to match any barrier requirement.
The R&D center is located in Chongqing, with convenient transportation, facilitating raw material procurement and product distribution — improving logistics efficiency for Asia-Pacific and global customers.
The company focuses on sustainable development, actively adopting environmentally friendly materials and technologies, meeting modern environmental standards, and enhancing market competitiveness through green innovation.
With decades of experience and partnerships with leading chemical manufacturers across China and international markets, TPS ensures consistent product quality, stable supply, and expert technical consultation worldwide.
Connect with TPS Specialty Chemical's technical team to discover the right EVOH resin grade for your shelf-life extension challenge — from food and pharma to agriculture and industrial applications.
Explore our comprehensive range of high-barrier EVOH resins and specialty materials designed for every shelf-life extension application.