Home xin What is the material used for Tetra Pak packaging? What is the performance and structure of the material?

What is the material used for Tetra Pak packaging? What is the performance and structure of the material?

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for the supplementary question: it is not necessary to use PE, such as POF film. It is
three-layer coextrusion polyolefin heat shrinkable film (pofc-3), a new plastic packaging material developed by Italy in the 1990s, which has the international advanced level. It has the characteristics of non-toxic and environmental protection, high transparency, high shrinkage, good heat sealing performance, high surface gloss, good toughness, high tear strength, uniform heat shrinkage and suitable for full-automatic high-speed packaging. It is a replacement product of traditional PVC heat shrinkable film. At present, it is widely used in the outer packaging of food, medicine, beverage, alcohol, electrical products, electronic products, toys, daily necessities and other products. In particular, its excellent shrinkage characteristics make it the preferred product for collective packaging

Tetra Pak Sweden is one of the world’s largest suppliers of liquid food packaging systems. Tetra Pak products are world-class food and beverage manufacturers in more than 165 countries. Therefore, Tetra Pak’s professional technology and experience are reliable and can provide you with comprehensive production support in food and beverage processing

Tetra Pak’s philosophy is very simple: the savings brought by packaging should exceed its own costs. Tetra Pak packaging is mainly based on renewable materials and can be recycled. At Tetra Pak, the processing and packaging system is designed to minimize the consumption of raw materials, energy and other natural resources used for product manufacturing

Tetra Pak packaging material consists of cardboard layer, polyethylene and aluminum foil. For each form of packaging, the only material in contact with food is food grade polyethylene. Cardboard provides toughness for packaging, plastic prevents liquid leakage, and aluminum foil can block the entry of light and oxygen, so as to maintain the nutrition and taste of the product

Tetra Pak pioneered aseptic technology in the 1960s, which permanently changed the liquid food industry. Aseptic technology is listed as the most important food science innovation in the 20th century. Unlike canned and bottled foods, Tetra Pak aseptic processing enables liquid foods to better retain color, texture, natural flavor and nutritional value. Tetra Pak aseptic packaging can remain aseptic for up to one year without preservative or refrigeration

the core of Tetra Pak’s aseptic packaging technology lies in the asepsis of packaging contents and filling and sealing packaging in a hygienic environment. Tetra Pak’s normal temperature packaging department has the most complete product portfolio in the aseptic paper packaging industry, including a variety of innovative external openings and straw applications

Tetra Pak packaging, as the packaging form of products, has been widely used in many fields such as milk and fruit juice drinks. Its many advantages have been widely recognized by people. This packaging form is reliable in terms of environmental protection, color realization, health standards and nutrition preservation. There are many kinds of packaging forms, such as Tetra Pak can, Tetra Pak pillow, Tetra Pak cup, Tetra Pak brick, etc

in foreign countries, the recycled Tetra Pak packages have been separated by hydraulic pulpers to disperse fiber, plastic and aluminum platinum for decades. The recovery and recycling rate of post consumer beverage boxes has also increased year by year. In 2000, the Tetra Pak bags collected in the European market reached 200000 tons. Paper mills in Taiwan, South Korea and Japan also began recycling many years ago. Their fiber recycling products mainly include packaging paper, envelope paper, corrugated paper, fruit bagging paper, pulp board and so on

since 2002, some paper mills using waste Tetra Pak fiber have also appeared in Inner Mongolia Autonomous Region, Zhejiang, Guangzhou, Shandong and Beijing. According to statistics, as of October 2005, the total amount of waste Tetra Pak used for hydraulic pulping in China has reached 8000 tons. The waste Tetra Pak mainly comes from community waste purchase stations, airports, schools and other public facilities in large and medium-sized cities, as well as dairy and beverage factories in various parts of the country. The products are mainly packaging paper, corrugated paper, pulp board and so on
reference: Shanghai paper

recycling is very simple and environmentally friendly. Now many recycling companies are specialized in recycling these packages and Tetra Pak leftovers produced during production, mainly because Tetra Pak packaging itself is composed of aluminum foil, paper and PE layer. It can be bonded at an appropriate temperature during processing, and can be used for many purposes after cooling, such as environmental protection trash can, fiberboard, etc. now there is stripping technology, For example, Zhejiang Fuyang has mastered this technology and reprocessed three substances in six layers.
as for the manufacturing equipment you mentioned, it is actually relatively simple, that is, the manufacturing processes such as printing press, Film Co extrusion machine, quality inspection equipment and slitting equipment are much more complex. They are all written by yourself, I hope I can help you.

answer and supplement:
PE is mainly selected because of its reliability and the degree of integration with PE strip during later filling, which is more conducive to packaging, so as not to bond unevenly, resulting in the leakage of milk or beverage and the formation of package leakage.
each package has its own advantages and disadvantages, and the advantage of Tetra Pak packaging lies in its own structure.
1. Paper – environmental protection, giving people the feeling of high-grade.
2 Aluminum foil – light blocking and oxygen isolation; Protect the contents.
the 3.6-layer composite structure – with a shelf life of 8-12 months, enables enterprises to have transportation and storage time when playing the market.
it is mainly in this industry that personal opinions are expected to have reference value

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