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Explore our flagship EVOH resin grades engineered for barrier coating applications — delivering exceptional oxygen transmission resistance, chemical stability, and processing versatility.
Ethylene Vinyl Alcohol (EVOH) copolymer is widely recognized as the gold standard for barrier coating in flexible and rigid packaging. As a barrier coating material, EVOH film creates an ultra-thin, highly effective layer that drastically reduces the permeation of oxygen, carbon dioxide, aromas, and solvents through packaging structures. Its unique molecular architecture — alternating ethylene and vinyl alcohol units — grants it unparalleled gas barrier properties, particularly at low to moderate humidity conditions.
🔬 EVOH barrier coating films achieve oxygen transmission rates (OTR) as low as 0.01–0.05 cc·mm/(m²·day·atm), making them 10,000× more effective than conventional polyethylene films in protecting sensitive contents.
In barrier coating applications, EVOH is typically co-extruded or laminated between structural layers such as PE, PP, PA, or PET to form multi-layer composite films. This sandwich structure combines the mechanical strength of structural polymers with the exceptional barrier performance of EVOH, resulting in packaging that extends shelf life, preserves product quality, and reduces food waste across the entire supply chain.
The EVOH barrier packaging market is experiencing robust growth driven by rising demand for extended shelf-life food packaging, pharmaceutical integrity, and sustainable packaging solutions worldwide.
As sustainability mandates and performance requirements intensify, EVOH barrier coating technology is evolving rapidly across multiple dimensions.
Industry is shifting from traditional multi-material laminates toward mono-material PE or PP-based barrier films incorporating EVOH, enabling end-of-life recyclability without sacrificing barrier performance. This trend aligns with EU Packaging Regulation 2025 targets and global brand owner sustainability pledges.
Next-generation bio-based ethylene feedstocks derived from sugarcane ethanol are enabling partially bio-attributed EVOH grades. These materials maintain identical barrier performance while reducing the carbon footprint of packaging films by up to 35%, meeting growing demand from eco-conscious brands and retailers.
Advanced co-extrusion die technologies now enable EVOH barrier layers as thin as 2–5 microns in multi-layer film structures, dramatically reducing material consumption while maintaining barrier integrity. This breakthrough supports lightweighting initiatives across flexible food, pharmaceutical, and industrial packaging sectors.
Traditional EVOH exhibits reduced barrier performance at elevated humidity. New modified EVOH copolymer grades with adjusted ethylene content and nanocomposite modifications are delivering significantly improved moisture-resistant barrier performance, expanding applicability in high-humidity tropical markets and fresh produce packaging.
EVOH barrier films are being integrated with active oxygen scavenging compounds and intelligent freshness indicators, creating smart packaging systems that not only block gas transmission but actively consume residual oxygen within the package — extending shelf life by an additional 30–50% beyond passive barrier alone.
Beyond food packaging, EVOH barrier coatings are gaining significant traction in automotive fuel barrier tubing, agricultural mulch films, medical device packaging, electronics moisture protection, and chemical containment applications — diversifying the market and driving higher-value specialty grade development.
EVOH film packaging materials for barrier coating serve a vast and growing range of commercial and industrial applications, each with distinct performance requirements.
EVOH barrier coatings in vacuum-packed processed meats, deli products, and ready meals prevent oxidative rancidity and microbial growth, achieving shelf lives of 45–90 days under refrigeration — a critical requirement for modern retail supply chains.
Cold-form aluminum-free blister packs incorporating EVOH barrier layers deliver moisture vapor transmission rates (MVTR) below 0.1 g/m²/day, protecting moisture-sensitive tablets and capsules while reducing packaging weight and improving patient compliance through enhanced transparency.
Multi-layer plastic fuel tanks and fuel filler pipes incorporating EVOH barrier layers meet stringent CARB and Euro 6 evaporative emission standards, replacing heavy metal components while delivering superior hydrocarbon permeation resistance across the full temperature operating range.
EVOH barrier films and containers provide exceptional resistance to a wide range of organic solvents, agrochemicals, and industrial fluids, enabling safe long-term storage and transport of hazardous materials while meeting stringent UN packaging certification requirements.
Moisture and oxygen-sensitive electronic components — including semiconductors, PCBs, and optical devices — benefit from EVOH barrier packaging that maintains controlled humidity environments during shipping and storage, preventing corrosion, delamination, and performance degradation.
Aseptic carton liners, pouches, and bottles for milk, juice, and liquid dairy products incorporate EVOH barrier layers to prevent oxygen ingress and flavor scalping, enabling ambient-temperature distribution and extended shelf life without preservatives or refrigeration.
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.
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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. Our 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.
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.
Founded in 1950, TPS Specialty Chemicals Co., Ltd. is a global supplier of specialty chemicals and polymer materials, providing a comprehensive product portfolio and full-service solutions to customers worldwide. 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.
With decades of experience in the polymer and materials industry, TPS has developed strong partnerships with leading chemical manufacturers across China and international markets. As a professional polymer materials supplier and specialty chemicals distributor, we not only ensure consistent product quality and stable supply, but also support customers with application guidance, technical consultation, and customized sourcing 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 products.
Large plant and production scale enable it to have efficient production capacity, can achieve large-scale production, and reduce unit costs.
TPS provides diversified products covering multiple fields, including chemicals, new materials, etc., to meet different market needs.
The R&D center is located in Chongqing, with convenient transportation, which is convenient for raw material procurement and product transportation, and improves logistics efficiency.
The company focuses on sustainable development, actively adopts environmentally friendly materials and technologies, meets modern environmental standards, and enhances market competitiveness.
With branches worldwide and headquartered in Argentina with key operations in Hong Kong, TPS leverages an international network to deliver consistent quality and responsive service to customers across every continent.
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.
Inquiry NowBrowse our full portfolio of EVOH high-barrier materials engineered for diverse barrier coating packaging applications across food, pharmaceutical, agricultural, electronic, and industrial sectors.
