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Have you ever paid attention to the aseptic packaging that can be seen everywhere around you?

1. Overview of aseptic packaging

Aseptic packaging refers to packing the sterilized materials into pre-sterilized or aseptically treated packaging containers in a sterile state according to product requirements, and storing them in airtight, airtight In a specific environment that is ventilated or even opaque, it can be kept for a long period of time without refrigeration at room temperature without changing the quality.


2. Internal structure of aseptic packaging

The internal structure of aseptic packaging has 7 layers, which are polyethylene, polymer, aluminum foil, polyethylene, base paper, ink, and polyethylene from the inside to the outside. Among them, base paper is the main carrier of aseptic packaging, which can stably support printing; polyethylene can prevent moisture and protect printed patterns; aluminum foil can prevent oxidation, block odors and avoid light.

3. Application of aseptic packaging

Due to the above advantages of aseptic packaging, this technology has been widely used in the packaging of food, beverages, dairy products and edible oils, as well as beverages, condiments, medicines, cosmetics and other products.

4. Types of aseptic packaging

★Completely sterile packaging
Completely aseptic packaging means that the liquid food is filled and packaged with aseptic packaging materials in a sterile environment after sterilization. There are many suitable products, such as:
Milk: UHT sterilization for 2-6 seconds at a temperature of 130-150°C.
Juice: The maximum heating temperature is within 100°C, it can be sterilized within a few seconds, and then cooled to 20°C for filling and packaging.



★Semi-sterile packaging
Semi-sterile packaging is a packaging method for solid foods that are difficult to completely sterilize, such as cakes, processed meat foods, etc., to suppress the initial bacterial count, and use aseptic packaging materials to fill and package in a sterile room, and then refrigerated and circulated. Suitable products are:
Cake: packed in air, stored at 15-18°C.
Processed meat products: vacuum packaging.


5. Advantages of aseptic packaging

First, it can preserve the nutritional content of food in good condition;
Second, the composite packaging material and vacuum state can protect the product from the invasion of light, gas, peculiar smell and false organisms, and no refrigeration is required for transportation and storage;
The third is that the shape of aseptically packaged products is generally brick-shaped, with high space utilization and light weight, so the cost is not high;
Fourth, most of the packaging raw materials are paper, which is in line with environmental protection packaging;
Fifth, it is suitable for automatic continuous production, which saves labor and energy.

6. Overview of current situation and market prospect forecast of aseptic packaging industry

In 2019, the global aseptic packaging market size was US$13.197 billion. Due to the impact of the epidemic in the past two years, according to relevant data, the global aseptic packaging market size will be US$14.56 billion in 2022, and the compound annual growth rate during the five-year period from 2018 to 2022 The CAGR is 2.89%. It is estimated that the global scale will reach US$18.488 billion by 2029, with a compound annual growth rate of 2.99% between 2023 and 2029.


The global aseptic packaging consumer market is mainly concentrated in regions such as Asia Pacific, Europe, and America. Asia-Pacific has the largest sales share of aseptic packaging, of which China will account for 26.10% of the global sales in 2022. Europe accounted for 26.25%, and other regions accounted for a relatively small share.
From the perspective of product types, brick bags occupy an important position, with a sales share of 63.50% in 2022. At the same time, in terms of application, the sales share of dairy products in 2022 will be 61.53%, and the CAGR in the next few years will be about 3.77%.
At present, the world's major manufacturers include Tetra Pak, SIG, Elopak, Greatview, Xinjufeng and Lemei, etc. The sales share of the top five manufacturers will account for nearly 90% in 2022. It is expected that China's industry competition will become more intense in the next few years. Domestic brands Gradually replace foreign brands.

Hangzhou Dahua Industry Control Technology Co., Ltd are Aseptic Packaging Slitting Machine Manufacturer, produce Slitting Machine for Aseptic Packaging Laminate Paper