Tetra Pak food packaging plastic film failed or cause mildew

Recently, the General Administration of Quality Supervision, Inspection and Quarantine issued an announcement on its official website, in which it notified the results of national supervision and spot checks of 23 kinds of product quality, such as domestic consumer goods and industrial production materials, which were nominally labeled as Tetra Pak (Beijing) Co., Ltd. May 10 this year. A plastic composite film for liquid food packaging produced on a daily basis was unqualified, and the main unqualified item was oxygen permeability.

The scope of this sampling inspection is the results of national supervision and spot checks of 23 kinds of product quality such as domestic consumer goods, construction and decoration materials, industrial production materials, etc., involving people's livelihood products such as packaging films, wine bottles, air conditioners, and solar water heaters.

Regarding composite plastic packaging films and bags for food, a total of 160 batches of composite plastic packaging films and bags for food produced by 160 companies were spot-checked, and 14 batches of products were found to be inconsistent with the standards. Among them, the nominal plastic packaging film (Beijing) Co., Ltd. produced on May 10 this year, a plastic composite film for liquid food packaging failed, the major unqualified projects for oxygen permeability.

On the afternoon of the 4th, the reporter called Tetra Pak (Beijing) Co., Ltd., and the woman who answered the phone said that he needed to contact Tetra Pak China headquarters. The reporter then called Tetra Pak's China headquarters (Shanghai). To the reporter's deadline for writing, the telephone of Tetra Pak China headquarters is always in a state of no answer.

On the issue of oxygen permeability, Wei Tianfei, an expert in the packaging industry, told an interview with China Economic Net. The oxygen permeability refers to the degree of oxygen penetration through the protective layer. It directly affects the freshness of the product. “The failure of the oxygen permeability of the plastic composite film for liquid food packaging can directly lead to moldy changes in the packaged food,” said Wei Tianfei.

It is reported that the "national standards for plastic film and bags for liquid food packaging" was formally implemented in 2005. The standard clearly stipulates the oxygen permeability index and hygienic index of plastic composite films and bags for liquid foods, and it is also listed as a mandatory standard.

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