High-performance EVOH barrier materials specifically formulated for medical-grade cast film lines, blister packs, and sterile packaging systems.
The global medical packaging sector is undergoing rapid transformation, with EVOH cast film lines emerging as a cornerstone technology for sterile, high-barrier, and regulatory-compliant solutions.
Key Industry Insight: EVOH (Ethylene Vinyl Alcohol) cast film lines have become the gold standard for medical packaging due to their unmatched oxygen barrier performance, chemical inertness, and compatibility with multi-layer co-extrusion processes — enabling manufacturers to meet ISO 11607, FDA 21 CFR, and EU MDR requirements simultaneously.
Stricter FDA and EU MDR regulations are compelling medical device and pharmaceutical manufacturers to adopt EVOH-based multilayer cast films that provide validated sterile barriers, ensuring product integrity from manufacturing to end-use.
The shift toward mono-material recyclable structures incorporating EVOH thin layers is reshaping the industry. Advanced cast film lines now enable ultra-thin EVOH coatings (as low as 3–5 µm) that maintain barrier performance while reducing material consumption by up to 40%.
Next-generation EVOH cast film lines integrate AI-driven process controls, real-time thickness monitoring, and automated defect detection systems — dramatically improving yield rates and ensuring consistent barrier properties critical for medical applications.
The explosive growth of biologics, mRNA vaccines, and temperature-sensitive therapeutics has created unprecedented demand for EVOH cast films with combined oxygen, moisture, and aroma barrier properties in cold-chain-compatible packaging formats.
Modern EVOH cast film lines now support 9–11 layer co-extrusion at speeds exceeding 400 m/min, enabling cost-effective production of complex medical packaging structures including PA/EVOH/PE, PET/EVOH/PP, and other high-performance combinations.
China, India, and Southeast Asia are emerging as major growth markets for EVOH medical packaging, driven by expanding domestic pharmaceutical manufacturing, rising healthcare standards, and increasing medical device exports requiring international packaging compliance.
From sterile blister packs to implantable device wraps, EVOH cast film lines serve a diverse and critical range of medical packaging applications.
EVOH cast films are laminated into cold-form and thermoform blister structures for tablets, capsules, and lozenges. The EVOH layer provides exceptional oxygen and moisture barriers, extending shelf life by 2–3x compared to conventional PVC blisters while enabling compliance with USP <671> and ICH Q1B photostability guidelines.
Surgical instruments, catheters, stents, and implantable devices require validated sterile barrier systems. EVOH multilayer cast films provide the gas-impermeable outer layer in Tyvek®/film pouches and header bags, maintaining sterility throughout EtO, gamma, and e-beam sterilization processes.
Multi-chamber IV bags and infusion solution containers use EVOH-based multilayer films to prevent oxygen ingress that could degrade sensitive active pharmaceutical ingredients. EVOH cast films with OTR values below 0.1 cc/m²/day are standard in this critical application.
IVD diagnostic kits, PCR reagents, and immunoassay components require absolute moisture and oxygen exclusion. EVOH cast film pouches with integrated desiccant pockets protect sensitive biochemical reagents from environmental degradation, ensuring test accuracy and extended shelf life.
EVOH multilayer cast films are used in specimen transport bags and biological sample containers for pathology, blood banking, and clinical trial sample logistics. Their puncture resistance, chemical inertness, and certified biosafety compliance make them ideal for UN3373 and P650 compliant packaging.
Transdermal patches and topical drug delivery systems rely on EVOH cast films as backing layers and release liners. The precise barrier control of EVOH enables consistent drug permeation rates while protecting the active ingredient from moisture and oxygen during the entire product shelf life.

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.
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In the Chinese mainland, TPS has established a dedicated R&D center in Chongqing City focused on the research and development of high-tech barrier materials. Our team has successfully launched high-barrier EVOH resin grades specifically engineered for medical and pharmaceutical packaging applications, combining excellent gas barrier properties with chemical stability and biocompatibility.
Our R&D team combines the technical advantages of multi-parties and is committed to continuously improving the quality and performance of EVOH products to better serve medical packaging manufacturers and the healthcare market. Current research priorities include ultra-thin EVOH layer technology for recyclable medical packaging, EVOH grades with enhanced sterilization resistance, and novel co-extrusion structures for next-generation drug delivery packaging.
TPS Specialty Chemical Limited has a team of experienced professionals, including chemical engineers, R&D experts, and marketing personnel. With deep industry knowledge and rich practical experience, they provide strong support for the company's continuous innovation. We always attach importance to employee growth and training, encouraging teamwork and innovation in a positive working environment so that every employee can fully realize their potential.
Why leading medical packaging manufacturers worldwide choose TPS EVOH cast film materials.
Independent R&D capabilities with multiple patents, advanced production processes and technological innovation, meeting the market demand for high-quality medical-grade EVOH products.
Large plant and production scale enable efficient production capacity, achieving large-scale manufacturing and reducing unit costs for medical packaging converters worldwide.
TPS provides diversified EVOH products covering multiple medical packaging fields — from pharmaceutical blister films to sterile device pouches — meeting different market needs.
Focused on sustainable development, actively adopting environmentally friendly EVOH materials and technologies that meet modern environmental standards while enhancing market competitiveness.
Explore the full range of TPS EVOH high-barrier materials — engineered for pharmaceutical packaging, medical devices, food safety, agriculture, and automotive applications.