EHA is a high-performance, multi-layer co-extruded film developed by Xiamen Changsu Industrial Co., Ltd. It combines nylon 6 and EVOH (ethylene-vinyl alcohol) to create an advanced barrier material with exceptional resistance to gases and moisture. The product is manufactured using state-of-the-art magnetic drive linear motor synchronous biaxial stretching technology, allowing for precise control over the film's structure. This innovative process involves five layers being melt-coextruded and then stretched in both directions, resulting in a film that offers high tensile strength, excellent toughness, and superior heat resistance—making it ideal for high-temperature cooking applications.
Recently, Xiamen Changsu held the official launch of the EHA product at a scenic location in Ludao. The event attracted a wide range of industry leaders, including scientists from the "973" program, renowned experts in flexible packaging, representatives from industry associations, and key players such as BASF and DSM. Notably, major food companies like Shuanghui, Yili, Yinlu, and Fuling Zhacai also attended, highlighting the strong industry interest in this new material.
As China’s first high-barrier film of its kind, EHA offers a cost-effective and high-performance solution for food manufacturers seeking to enhance packaging quality. Its excellent barrier properties help extend shelf life, preserve flavor, and maintain product freshness. It is suitable for a wide range of applications, including cold foods, cooked meals, soft canned goods, beverages, daily chemicals, and even military-grade electronics.
During the press conference, Mr. Wang Zhefu, Chairman of Xiamen Changsu, welcomed all attendees and expressed gratitude for their support. The company’s General Manager provided a detailed overview of EHA, emphasizing two key technological breakthroughs: high gas barrier performance and excellent heat resistance for high-temperature cooking. Following the presentation, guests were given a tour of the advanced production line, where they learned about the unique manufacturing process and saw firsthand how EHA is produced with precision and innovation.
As one of the world’s largest manufacturers of BOPA (biaxially oriented polyamide) films and a leading supplier of flexible packaging materials, Xiamen Changsu has always focused on green and sustainable packaging solutions. The company has established a joint R&D center called “Long Plastic New Materials†with Hangzhou Normal University and has formed strategic partnerships with top research institutions such as the Chinese Academy of Sciences and Xiamen University. It continues to invest in cutting-edge equipment and technologies imported from Germany, Austria, and other countries, driving continuous innovation in the field of flexible packaging.
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