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Explore our core EVOH resin grades engineered for medical-grade barrier packaging — combining oxygen impermeability, sterilization compatibility, and regulatory compliance.
Ethylene Vinyl Alcohol (EVOH) copolymer is a high-performance thermoplastic barrier resin formed by the saponification of ethylene-vinyl acetate copolymers. Its molecular structure features a tightly packed crystalline matrix with abundant hydroxyl groups, creating an exceptionally dense barrier against oxygen, carbon dioxide, aromas, oils, and a wide range of organic solvents.
In medical packaging, this translates to an unrivaled ability to protect sensitive pharmaceutical products, surgical instruments, implantable devices, and diagnostic reagents from oxidative degradation and microbial contamination — without the need for heavy metal-based coatings or complex multi-layer metallization processes.
EVOH films are typically co-extruded with polyethylene (PE), polypropylene (PP), or polyamide (PA) layers to overcome EVOH's moisture sensitivity, creating multi-layer structures that combine moisture resistance with outstanding gas barrier properties. The ethylene content (mol%) of EVOH determines the balance between processability and barrier performance — lower ethylene content yields superior oxygen barrier, while higher content improves flexibility and moisture resistance.
The medical packaging industry demands materials that not only preserve product integrity but also comply with stringent international regulatory frameworks including ISO 11607, USP Class VI, FDA 21 CFR, and EU Regulation 10/2011. EVOH consistently meets and exceeds these standards, making it the material of choice for blister packs, pouches, trays, and flexible films used across the global healthcare supply chain.
Unlike PVDC (polyvinylidene chloride), EVOH is chlorine-free and produces no toxic dioxins during incineration, aligning with the healthcare industry's accelerating shift toward environmentally responsible packaging. Its excellent transparency also enables visual inspection of packaged medical devices without compromising barrier integrity.
EVOH's compatibility with all major sterilization methods — including EtO (ethylene oxide), gamma irradiation, electron beam, and steam autoclave — makes it uniquely versatile across medical device, pharmaceutical, and in-vitro diagnostic (IVD) packaging applications. Post-sterilization barrier retention is a critical specification, and EVOH grades engineered for medical use demonstrate minimal performance degradation even after repeated sterilization cycles.
TPS EVOH resins deliver a comprehensive suite of performance attributes specifically engineered to meet the rigorous demands of medical and pharmaceutical packaging.
EVOH provides oxygen transmission rates orders of magnitude lower than PE, PP, or PET — critical for preserving oxygen-sensitive drugs, biologics, and implantable device sterility throughout shelf life.
Resistant to oils, greases, organic solvents, and a broad spectrum of chemicals, ensuring no extractables or leachables compromise the packaged medical product or patient safety.
Fully compliant with ISO 11607, FDA 21 CFR, USP Class VI, and EU 10/2011, enabling seamless market access across North America, Europe, and Asia-Pacific regulatory jurisdictions.
Maintains barrier integrity and mechanical properties after EtO, gamma, e-beam, and steam sterilization — a non-negotiable requirement for terminal sterilization of medical devices and surgical instruments.
Chlorine-free, heavy-metal-free, and recyclable within multi-layer film streams. EVOH supports the healthcare industry's sustainability goals without sacrificing performance or patient safety.
High transparency enables visual inspection of medical devices and pharmaceutical products without opening primary packaging — reducing waste and supporting quality assurance protocols.
The global EVOH resin market for medical packaging is experiencing robust growth, driven by rising healthcare expenditure, stringent sterilization requirements, and the global expansion of biopharmaceuticals and medical device manufacturing.
The global medical packaging market was valued at over USD 38 billion in 2023 and is projected to exceed USD 58 billion by 2030, growing at a CAGR of approximately 6.5%. EVOH-based barrier films represent one of the fastest-growing sub-segments, driven by the proliferation of single-use medical devices, prefilled syringes, and biologics packaging. Asia-Pacific, led by China, India, and Southeast Asia, is emerging as the highest-growth region as domestic medical device manufacturing scales rapidly.
Regulatory pressure and corporate ESG commitments are accelerating the transition from PVC/PVDC-based medical packaging to EVOH alternatives. The EU's Packaging and Packaging Waste Regulation (PPWR) and similar frameworks globally are incentivizing the adoption of recyclable, chlorine-free barrier materials. EVOH's position as a high-performance, environmentally responsible alternative is creating significant commercial opportunities for suppliers with proven medical-grade formulations and regulatory documentation packages.
The explosive growth of biologics, mRNA vaccines, cell and gene therapies, and biosimilars is creating unprecedented demand for ultra-high-barrier packaging capable of maintaining product stability under cold chain and cryogenic storage conditions. EVOH co-extruded films with specialized tie layers are being engineered to retain flexibility and barrier performance at temperatures as low as -80°C, opening new frontiers in biologics primary packaging and transport packaging.
EVOH is increasingly being integrated into smart medical packaging systems incorporating oxygen scavengers, moisture indicators, RFID-enabled traceability layers, and time-temperature indicators. These active and intelligent packaging formats leverage EVOH's exceptional barrier foundation while adding digital connectivity and real-time condition monitoring — critical for high-value biologics, implantables, and precision diagnostics where supply chain integrity is paramount.
Post-COVID-19 supply chain disruptions have accelerated the localization of medical device and pharmaceutical manufacturing in key markets including China, India, the EU, and the Americas. This trend is driving demand for regionally certified EVOH packaging material suppliers capable of providing consistent quality, regulatory support, and just-in-time delivery. TPS's global branch network and Chongqing R&D center position the company strategically to serve this evolving supply chain landscape.
Next-generation medical packaging increasingly employs 7-layer and 9-layer coextrusion structures incorporating EVOH as the core barrier layer, flanked by adhesive tie layers and functional outer layers of PA, PE, or PP. These sophisticated film architectures enable the precise engineering of puncture resistance, seal strength, peel force, and barrier performance required by complex medical device packaging specifications — including those for sharp instruments, catheters, and orthopedic implants.
From sterile surgical trays to pharmaceutical blister packs, EVOH film packaging material serves a diverse spectrum of critical medical and healthcare applications.
EVOH is the barrier layer of choice in thermoformed blister packs for oral solid dosage forms (OSD), transdermal patches, and unit-dose packaging of oxygen-sensitive APIs. EVOH/PP and EVOH/PVC cold-form foil laminates provide the highest available moisture and oxygen barrier in blister packaging, extending shelf life for moisture-sensitive drugs including aspirin, vitamins, and hygroscopic APIs without refrigeration. TPS EVOH grades with optimized ethylene content deliver the precise balance of processability on high-speed blister lines and barrier performance required by pharmaceutical manufacturers operating under cGMP conditions.
ISO 11607-1 mandates that sterile barrier systems for medical devices maintain sterility throughout the intended shelf life and point of use. EVOH co-extruded flexible films and thermoformed trays are widely used as primary sterile barrier materials for catheters, surgical instruments, wound care products, and orthopedic implants. The material's ability to form hermetic seals with medical-grade Tyvek® and paper lidding materials, combined with its sterilization compatibility, makes it central to validated sterile barrier system design for Class II and Class III medical devices.
The packaging of biologics — including monoclonal antibodies, vaccines, cell therapies, and gene therapy vectors — demands packaging materials with near-zero oxygen transmission rates and the ability to function across a wide temperature range. EVOH-based multi-layer films are increasingly specified for cryogenic storage bags, lyophilization trays, and transport packaging for temperature-sensitive biologics. TPS's R&D team is actively developing EVOH grades with enhanced low-temperature flexibility to address the emerging requirements of mRNA vaccine and cell therapy cold chain packaging.
Single-use medical devices — from prefilled syringes and insulin pens to surgical kits and wound dressings — rely on EVOH-containing flexible packaging to maintain sterility and product integrity from manufacturing facility to point of care. The global push toward single-use devices in infection control, combined with the growth of home healthcare and self-administration of biologics, is driving sustained demand growth for EVOH medical packaging films in hospital, clinic, and home care settings worldwide.
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.
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.
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.
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.
Independent R&D capabilities, multiple patents, advanced production processes and technological innovation — delivering high-quality EVOH solutions that meet demanding medical packaging specifications.
Large plant and production scale enable efficient production capacity, achieving large-scale output while reducing unit costs and ensuring reliable supply continuity for global medical OEMs.
TPS provides diversified EVOH grades and specialty chemical products covering multiple fields — medical, pharmaceutical, food, agricultural, and industrial — to meet different market needs.
R&D center in Chongqing with convenient transportation improves raw material procurement and product logistics efficiency, supporting fast turnaround for global medical packaging customers.
Committed to sustainable development — actively adopting environmentally friendly materials and technologies, meeting modern environmental standards, and supporting the healthcare industry's green packaging transition.
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. Contact our technical team today to discuss your EVOH film packaging material requirements for medical applications.
Explore TPS's comprehensive range of EVOH resin grades and barrier film materials — engineered for medical, pharmaceutical, and high-performance industrial packaging applications.
