The scale of PET production in China is far behind that of several major foreign manufacturers. In the 1980s, China gradually introduced tons to tens of thousands of tons of advanced PET resin synthesis devices from abroad, and the quality and output have made great progress. anti-uv pet bottle packaging is favored by beer and beverage manufacturers and consumers because of its light weight, easy to transport and carry. Let's take a look at the advantages and disadvantages of anti-uv pet bottle packaging.

First, the advantages of anti-uv pet bottle packaging

1. anti-uv pet bottle packaging is better than glass beer bottles in terms of safety;

2, anti-uv pet bottle packaging light weight, easy to product long-distance transportation, for beer companies can save transportation costs;

3, anti-uv pet bottle packaging beer portability is better than glass bottles and cans, more suitable for young people to seek new and different psychology;

4, with brown, oxygen blocking anti-uv pet bottle packaging filling pure draft beer or low-sterilization units of high-grade beer, can improve the appearance of high-grade beer image;

5, anti-uv pet bottle packaging bottle type and capacity selection flexibility is greater, can produce different bottle type, different capacity of products, rich product variety.

In short, anti-uv pet bottle packaging is cheap, transparent, airtight, good compression strength and easy to shape. It not only solves the problems of bottle shape design, safety and transportation of glass containers, but also avoids the problems of shape design and opacity of metal containers. The above characteristics make it more and more widely used in beverage packaging.

2. Defects of anti-uv pet bottle packaging

1. anti-uv pet bottle packaging has poor adaptability to beer filling equipment. For example, anti-uv pet bottle packaging can not be cleaned by bottle washing machine, can only be washed with high pressure sterile water, and the sterile state in the bottle cannot be guaranteed (especially for bottles that have been stored for a long time); The heat-resistant anti-uv pet bottle packaging can not pass the pasteurization machine, which requires higher aseptic state of the packaging workshop; The labeling method of anti-uv pet bottle packaging is different from the current labeling method of glass bottles, so the labeling machine needs to be reformed.

2, the impact of anti-uv pet bottle packaging on the shelf life of beer: after filling, carbon dioxide loss of 10%-15%, oxygen into the beer to aggravate the aging of beer. anti-uv pet bottle packaging needs to improve the protection ability of ultraviolet light to prevent solar odor in beer.

3, no matter what kind of organic synthetic materials are inevitably there is a small amount of organic monomer, when the bottle wall and beer for a long time contact, there must be a trace of organic matter dissolved.

4, the strength of anti-uv pet bottle packaging. Since the strength of anti-uv pet bottle packaging is not as good as that of glass bottle, the air in the bottle cannot be removed by secondary vacuum-pumping, and the crown lid cannot be broken by the capping machine directly. Therefore, the wine filling machine and the capping machine need to be reformed. At present, the problem that beer manufacturers are worried about is: at 0.60% (m/m) carbon dioxide content, can anti-uv pet bottle packaging withstand the impact caused by manual handling? Can it withstand the pressure of 12 stack heights during storage? How safe is it during transportation (whether it will break or leak)

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