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In the modern industrial landscape, Resin Plastic Raw Materials EVOH (Ethylene Vinyl Alcohol) have emerged as the gold standard for applications requiring superior chemical resistance and gas barrier properties. EVOH is a formal copolymer of ethylene and vinyl alcohol, uniquely structured to offer a crystalline barrier that is virtually impenetrable to oxygen, nitrogen, carbon dioxide, and, most importantly, volatile organic compounds (VOCs) and aggressive chemicals.
Industrial Status: As global environmental regulations tighten, the demand for EVOH has surged. Industries are shifting away from traditional mono-layer plastics toward multi-layer structures where EVOH acts as the "functional heart," preventing chemical permeation and ensuring the integrity of hazardous materials during transport and storage.
The chemical resistance of EVOH is derived from its high content of vinyl alcohol groups. These groups create strong inter- and intra-molecular hydrogen bonds, resulting in a highly crystalline structure. This "molecular mesh" is what makes EVOH resistant to oils, fats, organic solvents, and many industrial fuels. Unlike other plastics that might swell or degrade when exposed to hydrocarbons, EVOH maintains its structural integrity, making it indispensable for the automotive and industrial chemical sectors.
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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EVOH is the critical layer in plastic fuel tanks (PMP). It prevents the permeation of fuel vapors, helping manufacturers meet stringent Euro 6 and EPA emission standards. Its resistance to ethanol-blended fuels is a key technical advantage.
Pesticides and herbicides often contain aggressive solvents. EVOH-lined containers prevent these chemicals from leaching through the plastic walls, ensuring product potency and environmental safety.
For large-scale chemical storage, EVOH resins are co-extruded with HDPE to create liners that are resistant to a wide range of industrial acids, bases, and solvents.
In medical packaging, EVOH protects sensitive liquid medications from oxygen while ensuring the plastic container does not react with the solvent-based drug formulation.
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.
Independent research and development capabilities and multiple patents, advanced production processes and technological innovation.
Large plant and production scale enable efficient production capacity and reduced unit costs for global supply.
Diversified products covering chemicals and new materials to meet varied market needs across continents.
Focus on sustainable development, actively adopting environmentally friendly materials and technologies.
The future of Resin Plastic Raw Materials EVOH lies in the balance between extreme performance and sustainability. As we move toward 2030, several key trends are shaping the industry:
Traditionally, multi-layer plastics were difficult to recycle. However, TPS is at the forefront of developing "compatibilized" EVOH structures that allow the barrier layer to be recycled alongside polyolefins (PE/PP) without compromising the quality of the recycled resin. This is a game-changer for the circular economy.
New grades of EVOH are being developed with varying ethylene content. Lower ethylene content provides higher chemical resistance, while higher ethylene content allows for better thermoforming and flexibility. This customization allows for applications in complex-shaped chemical containers and flexible pouches for hazardous liquids.
At our Chongqing R&D center, we are utilizing AI-driven molecular modeling to predict how different EVOH formulations will react with emerging bio-based chemicals and new-age fuels. This predictive capability ensures that TPS stays ahead of industrial requirements.
"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'."
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Extending shelf life through superior oxygen barrier properties.
Maintaining sterility and chemical purity for medical supplies.
Preventing oxidation and flavor loss in protein products.
Chemical-resistant films for soil fumigation and pesticide storage.
TPS EVOH 3801-FF Moisture/Oxygen Barrier
EVOH 2901-AP - Automotive Component Barrier
High-Performance EVOH Resins for Barrier Films
TPS EVOH 3201-MA Sterile Medical Barrier
TP-2A Chlorinated Polypropylene Resin (CPP)
EVOH Ew-3801 Thermoplastic High Barrier
EVOH 2901-AP Automotive Grade Barrier
High-Barrier TPS EVOH 4401-EP for Electronics
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.