In the contemporary industrial arena, the demand for Evoh High Barrier Film For Oxygen Barriers has reached unprecedented heights. As global supply chains become more complex and the distance between production and consumption increases, the necessity to preserve product integrity has never been more critical. Ethylene Vinyl Alcohol (EVOH) has emerged as the premier material for these challenges, offering a unique combination of processability and peerless gas barrier properties.
The EVOH market is currently undergoing a massive transformation. Historically dominated by a few major players in Japan and the US, the industry has seen a significant shift toward China, where manufacturers like TPS Specialty Chemical Limited are pushing the boundaries of what these resins can achieve. The drive for "Active Packaging" and "Intelligent Packaging" has positioned EVOH as the core functional layer in multi-layer structures, essential for reducing food waste—a global priority for both governments and NGOs.
Industrially, EVOH is prized for its ability to block not just oxygen, but also nitrogen, carbon dioxide, and helium. Its resistance to hydrocarbons and oils makes it a staple in the automotive sector for plastic fuel tanks, where it prevents volatile organic compounds (VOCs) from escaping into the atmosphere. This dual-use capability—protecting the contents from the environment and the environment from the contents—makes it one of the most versatile polymers in existence today.
The magic of EVOH lies in its molecular structure. By balancing the hydrophilic nature of vinyl alcohol with the hydrophobic nature of ethylene, engineers can create films that are virtually impermeable to oxygen under dry conditions. But where does this apply in the real world?
Fresh red meat requires a precise atmosphere to maintain its appetizing red color. Oxygen exposure causes myoglobin to oxidize into metmyoglobin, turning the meat brown. Evoh High Barrier Film is used in vacuum skin packaging (VSP) and modified atmosphere packaging (MAP) to keep oxygen levels at nearly zero, extending shelf life from days to weeks without the need for chemical preservatives.
Medicines, particularly liquid formulations and biologics, are highly sensitive to oxidation, which can render them ineffective or even toxic. EVOH layers in medical pouches and thermoformed trays ensure that the sterile environment remains untainted by atmospheric gases during transport across varying climates.
In modern agriculture, EVOH is used in TIF (Totally Impermeable Film) for soil fumigation. It prevents toxic fumigants from leaking into the air, keeping them in the soil where they are needed. This not only improves efficiency but also protects the health of nearby communities and the ozone layer.
Beyond food, EVOH serves a critical role in the "Zero-Emission" goals of the automotive industry. Multi-layer HDPE fuel tanks incorporate a thin layer of EVOH to block fuel vapor permeation. Without this barrier, plastic tanks would leak hydrocarbons, failing stringent environmental regulations like LEV III in the United States or Euro 6 in Europe.
The biggest trend in 2024 and beyond is the "Recyclable Barrier." Traditionally, multi-layer films containing EVOH were difficult to recycle. However, the industry is moving toward "Mono-material" solutions where the EVOH content is kept below 5% of the total structure weight, allowing it to be recycled within the polyethylene (PE) or polypropylene (PP) streams without significant degradation of the recycled material's properties.
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.
Get product
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.

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. We provide strong support for the company's continuous innovation.

We always attach importance to the growth and training of employees, and strive to encourage teamwork and innovation in a positive working environment.
Independent R&D capabilities and multiple patents, advanced production processes and technological innovation capabilities.
Large plant and production scale enable efficient production capacity, achieving large-scale production and reduced unit costs.
Diversified products covering multiple fields, including chemicals and new materials, to meet different market needs.
Focus on sustainable development, actively adopting environmentally friendly materials and technologies to meet modern standards.
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.


Ensuring sterility and preventing oxidation in life-saving medications.
Extended shelf life and color retention for fresh protein products.
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 Now