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Award Winning PVdC Barrier Film Produced on Macro's CXL-7210 Cast Film Line

Article in Omnexus (SpecialChem) features award winning PVdC barrier film from J&A Industrial (Suzhou) Co. produced on Macro's CXL-7210 Cast Coextrusion Film Line.  The article below was adopted from the News section of Omnexus.com.

J&A Industrial Designs New Packaging Technology to Extend Freshness and Enhance Aesthetics of Popular Sausage Snack
(Oct 31, 2006)

Editorial Note: Due to an error in production, it was implied that J&A Industrial is a trademark of Dow, or a subsidiary, but neither of which are the case and we apologize for this.

CHICAGO -- J&A Industrial (Suzhou) Co. has commercialized a new high barrier, multi-layer package that extends the shelf life of a popular corn sausage from Linyi Xincheng JinLuo Meat Products Co., Ltd. The packaging technology preserves the sausage's freshness in demanding high-humidity environments, and represents the first use of polyolefin/SARAN™ co-extruded films for processed meats globally.

J&A DuPont Packaging Award
J&A DuPont Packaging Award

JinLuo Sausage
JinLuo Sausage

JinLuo's corn sausage product contains three to five percent natural corn ingredients. This gives the sausage a sweet flavor but also increases its moisture content. The new package design from J&A Industrial utilizes coextruded SARAN PVDC film to preserve the product's freshness, and does not lose barrier properties when exposed to moisture in the product or the high-humidity environment of southeast China.

"As a leading meat processor, we adopt strict standards in choosing packaging material. Due to the recipe, processing, circulation and other factors in the manufacturing of the corn sausage, we needed a new technology that could provide excellent barrier properties as well as optical clarity," said Zhang LiFeng, General Engineer and Director of R&D for Linyi Xincheng JinLuo Meat Products Co., Ltd. "Traditional EVOH film packaging is sensitive to humidity. When the barrier properties of EVOH weakened, it led to bacteria that caused the meat to rot, the sausage to discolor, and the package to inflate (swell).

Through cooperation with J&A (Suzhou) Industrial and repeated experiments, we found that applying PVDC co-extruded film packaging to the corn sausage has greatly improved both the shelf life and appearance of the product." J&A Industrial chose a SARAN PVDC film for its package because the coextruded film structure is especially beneficial as a high water and oxygen barrier material in highly humid environments. In addition, the film provides high transparency and gloss for excellent optical clarity. The multilayer film structure can be customized to meet many storage and shelf life needs, and can be widely used for food, processed meat, cosmetics and chemical goods, as well as in controlled atmosphere, vacuum and thermoforming packaging, especially for applications that require oxygen barriers in high-humidity environments. Additionally, the film is generally more cost effective due to the elimination or reduction of lamination or coating processes that are required to accomplish barrier and other functionalities demanded by different applications. The excellent barrier properties of SARAN PVDC film also offer downgauging potential for lower total costs.

The innovative packaging has received the Grand Pinnacle Award of the 2005 DuPont China Packaging Award Competition, in recognition of its innovative technology to process thermal sensitive and non thermal sensitive resin with temperature difference together in a co-extrusion process. By applying multi layer heat insulation technology on the equipment, J&A is able to achieve the efficient structure to meet the functional need of sausage packaging by a one step process. The packaging from J&A Industrial is already being used with millions of sausages expected to be sold this year.

The DuPont China Packaging Awards provide a platform for trade professionals to share, learn and brainstorm beneficial improvements and advancements in China's packaging industry. The competition honors innovation in food processing and packaging from across the supply chain - from technology and processes, to equipment and converters, to end use packagers. A sevenmember judging panel of package and food specialists chooses the winners.

About The Dow Chemical Company

Dow is a diversified chemical company that harnesses the power of science and technology to improve living daily. The Company offers a broad range of innovative products and services to customers in more than 175 countries, helping them to provide everything from fresh water, food and pharmaceuticals to paints, packaging and personal care products. Built on a commitment to its principles of sustainability, Dow has annual sales of $46 billion and employs 42,000 people worldwide. References to "Dow" or the "Company" mean The Dow Chemical Company and its consolidated subsidiaries unless otherwise expressly noted.

About J&A Industrial (Suzhou) Co. Ltd.

J&A Industrial (Suzhou) Co. Ltd. is a leading manufacturer of multi-layer co-extrusion film integrating research, processing and trade. The company, located in Sino-Singapore Suzhou Industrial Park, has several first-class product lines and an efficient R&D group, which enables the design of various high quality films for food, medicine and chemical packaging purposes. J&A products are sold in China and abroad. J&A was established in 1998 and has a registered capital of $10 million.

About Linyi Xincheng Jinluo Meat Products Co. Ltd.

Established in 1994, Linyi Xincheng Jinluo Meat Products Co. Ltd. is a conglomerate mainly engaged in the production of meat products. The company is one of the Nationwide Dragon-head Enterprises in Agricultural Industrialization and its sales network covers the entire country of China. The company has set up its business branches or representative offices in Hong Kong, Singapore, and Japan for the export of its products.

Source: Dow Chemical Company


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About Macro 

Macro Engineering & Technology is a global supplier of film and sheet extrusion systems that specializes in barrier film lines and custom engineered extrusion systems. Founded in 1978, Macro’s approach is to help film and sheet producers reach their production goals through a project-oriented philosophy and an uncompromising commitment to developing innovative technologies. 


Macro manufactures blown, cast and biaxially-oriented coextrusion lines for multilayer films up to 13-layers. The company also supplies sheet extrusion lines for specialty applications, along with extrusion coating and laminating lines. Macro also specializes in developing customized winding solutions and supplies winding equipment to meet the needs of complex requirements. 

Macro’s equipment is used throughout the world to manufacture value-added products in the food packaging, medical, and industrial markets. 


For more information about Macro Engineering & Technology Inc. contact us.