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TPS offers a comprehensive range of EVOH resin plastic solutions engineered for high-performance barrier coating applications across food packaging, pharmaceutical, electronics, and industrial sectors.
Ethylene Vinyl Alcohol (EVOH) copolymer resin is one of the most effective barrier materials in the modern packaging and industrial coating industry. Composed of a random copolymer of ethylene and vinyl alcohol, EVOH combines the processing advantages of polyolefins with the extraordinary gas-barrier properties of polyvinyl alcohol.
When used as a barrier coating layer — whether in multilayer films, coextruded sheets, or solution-coated substrates — EVOH delivers unparalleled resistance to oxygen, carbon dioxide, aromas, oils, and organic solvents. The ethylene content (typically 27–48 mol%) can be precisely tuned to balance barrier performance with moisture resistance and processing flexibility.
In barrier coating applications, EVOH resin is typically applied as a thin functional layer sandwiched between polyolefin layers (such as PE or PP) to protect it from humidity, which can temporarily reduce its barrier efficiency. This multilayer architecture allows manufacturers to achieve outstanding shelf-life extension and product protection.
🔬 EVOH resin achieves oxygen transmission rates as low as 0.01–0.05 cc·mm/(m²·day·atm) — making it up to 10,000× more effective than standard polyethylene as an oxygen barrier.
EVOH resin plastic delivers a unique combination of performance attributes that make it the material of choice for demanding barrier coating requirements across multiple industries.
EVOH provides the best oxygen barrier performance among commercially available thermoplastics. Its tightly packed crystalline structure and strong hydrogen bonding create an almost impermeable barrier to oxygen molecules, dramatically extending the shelf life of packaged products and preventing oxidative degradation.
Advanced EVOH formulations — such as TPS EVOH 3801-FF — are specifically engineered to maintain superior barrier performance even in high-humidity environments. By optimizing ethylene content and molecular architecture, these grades deliver consistent moisture and oxygen protection across diverse climate conditions.
EVOH barrier coatings resist penetration by organic solvents, oils, greases, and a wide range of industrial chemicals. This makes EVOH-coated packaging and containers ideal for chemical storage, automotive fuel systems, and industrial fluid handling applications where chemical integrity is critical.
EVOH resin can be processed via standard thermoplastic techniques including coextrusion, blown film, cast film, injection molding, and solution coating. High-thermostability grades like TPS EVOH 3201-CP enable processing at elevated temperatures without degradation, ensuring consistent layer quality in multilayer structures.
When used with appropriate tie layers or adhesive resins, EVOH bonds effectively to polyolefins, nylon, PET, and other substrates. The TP-601P Chlorinated Polypropylene Resin from TPS further enhances adhesion in laminating ink systems, creating robust multilayer barrier structures with superior interlayer bonding.
Modern EVOH barrier coating structures can be designed for recyclability, supporting the circular economy. EVOH's high efficiency means thinner layers achieve superior barrier performance compared to alternative materials, reducing total material consumption and the overall environmental footprint of packaging systems.
The global EVOH resin market is experiencing robust growth, driven by tightening food safety regulations, the expansion of flexible packaging, and increasing demand from electronics and pharmaceutical sectors.
Flexible packaging accounts for over 55% of global EVOH consumption. The shift from rigid to flexible formats — driven by convenience, lightweighting, and cost efficiency — continues to accelerate demand for EVOH barrier coating layers in pouches, sachets, retort packaging, and vacuum-skin packaging applications.
Asia-Pacific, led by China, Japan, South Korea, and Southeast Asia, is the fastest-growing regional market for EVOH barrier materials. Rapid urbanization, expanding middle-class food consumption, and the growth of modern retail and e-commerce are all fueling demand for high-performance barrier packaging solutions in the region.
The electronics industry is increasingly adopting EVOH-based barrier coatings to protect sensitive components from moisture and oxygen degradation. Products like TPS EVOH 4401-EP are specifically formulated for electronic packaging applications, providing reliable moisture and oxygen protection for semiconductors, displays, and precision electronic assemblies.
Stricter global food safety regulations (EU Regulation 10/2011, FDA 21 CFR, China GB standards) and pharmaceutical packaging guidelines are compelling manufacturers to adopt certified barrier materials. EVOH's food-contact compliance and proven safety profile make it the preferred choice for regulated industries worldwide.
The packaging industry's sustainability push is driving innovation in recyclable multilayer structures. New compatibilization technologies allow EVOH barrier layers to be incorporated into mono-material polyolefin structures that meet both high-barrier requirements and recyclability targets set by major brand owners and retailers.
The integration of EVOH barrier coatings with active packaging technologies — such as oxygen scavengers, antimicrobial agents, and freshness indicators — represents the next frontier in packaging innovation. These hybrid systems combine EVOH's passive barrier properties with active protection mechanisms for superior product preservation.
From farm-to-fork food safety to cutting-edge electronics protection, EVOH barrier coatings are enabling new performance benchmarks across a wide spectrum of industries.
EVOH barrier coatings in vacuum and modified-atmosphere packaging extend fresh meat shelf life from days to weeks, reducing food waste and cold-chain costs while maintaining color, texture, and nutritional quality.
Precision-controlled gas permeability in EVOH-based films creates optimal modified atmospheres for fresh produce, slowing respiration rates and delaying ripening to maximize freshness across long distribution chains.
EVOH barrier blister packs, bottles, and pouches protect moisture-sensitive drugs, nutraceuticals, and diagnostics from degradation, ensuring drug efficacy and patient safety throughout the product lifecycle.
EVOH-based films for agricultural mulching, silage, and agrochemical packaging provide superior barrier performance against UV, oxygen, and moisture, protecting crop inputs and maximizing agricultural productivity.
Ultra-high barrier EVOH coatings protect sensitive electronic components, OLED displays, and photovoltaic modules from moisture and oxygen ingress that causes performance degradation and premature failure.
EVOH barrier layers in multilayer fuel tanks, fuel lines, and vapor recovery systems prevent hydrocarbon permeation, meeting stringent evaporative emission standards (CARB, Euro 6) in modern vehicles.
EVOH barrier packaging preserves the integrity of oxygen-sensitive cosmetic formulations — including serums, creams, and active skincare products — preventing oxidation and maintaining product efficacy and fragrance.
EVOH barrier coatings in underfloor heating pipes, industrial hose systems, and building membranes prevent oxygen diffusion that causes corrosion and system degradation, extending service life and reducing maintenance costs.
EVOH multilayer films create a precisely controlled modified atmosphere that slows respiration and ethylene production in fresh produce, extending shelf life by 2–4× compared to standard packaging films.
High-barrier EVOH layers in vacuum skin packaging and thermoformed trays prevent oxygen ingress that causes discoloration, rancidity, and microbial growth, maintaining premium product quality.
EVOH-enhanced agricultural films for silage, mulching, and greenhouse applications provide superior barrier performance against moisture loss and chemical permeation, protecting crop yields and soil health.
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.
In 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 materials.
🏆 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."
TPS's dedicated R&D center in Chongqing, China, serves as the innovation hub for next-generation EVOH barrier coating materials. Our team of chemical engineers and materials scientists combines deep polymer chemistry expertise with advanced analytical capabilities to develop EVOH grades tailored to specific application requirements.
The R&D team combines the technical advantages of multi-parties and is committed to continuously improving the quality and performance of products in order to better serve customers and the market. Current research focuses include moisture-resistant EVOH formulations, ultra-high barrier grades for electronics, and bio-based EVOH development for sustainable packaging.
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.
TPS combines decades of specialty chemical expertise with world-class R&D capabilities and a global supply network to deliver unmatched EVOH barrier coating solutions.
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 coating products.
Large plant and production scale enable efficient production capacity, achieving large-scale EVOH resin manufacturing that reduces unit costs and ensures consistent supply for global customers.
TPS provides diversified EVOH barrier coating products covering multiple fields, including food packaging, pharmaceuticals, electronics, and industrial applications, to meet different market needs.
The R&D center is located in Chongqing, with convenient transportation, facilitating raw material procurement and product transportation, and improving logistics efficiency for global delivery.
The company focuses on sustainable development, actively adopts environmentally friendly materials and technologies, meets modern environmental standards, and enhances market competitiveness through eco-responsible EVOH solutions.
With branches worldwide and deep partnerships with leading chemical manufacturers across China and international markets, TPS ensures consistent product quality, stable supply, and responsive technical support for every customer.
Explore our complete range of EVOH resin plastic products engineered for diverse barrier coating applications — from food and pharmaceutical packaging to electronics and industrial uses.
Partner with TPS Specialty Chemical for world-class EVOH resin plastic solutions. Our technical team is ready to help you select the optimal barrier coating grade for your specific application — from food packaging to electronics protection.