Why some plastic food packaging bags can withstand high temperature cooking?

With the acceleration of people’s pace of life, people’s pursuit of convenience foods is increasing. Many convenience foods appear in everyone’s lives. Common cooked foods such as vacuum-packaged roast chicken and braised beef, as well as salted duck eggs. Foods that can be processed twice, as well as snack foods such as dried bean curd and bean tendon. These foods are made of high-temperature-resistant packaging materials that can be steamed. The heat-resistant retort packaging bag greatly facilitates people's lives.

First of all, it needs to be clear that the high temperature resistance and cooking temperature of the high temperature cooking packaging bag mentioned here cannot exceed 121 ℃. Otherwise, it will not only fail to disinfect and preserve the goods, but will also seriously affect the quality of the goods. Influence. In our actual production process, there have been various problems such as damage and embrittlement of the customer’s packaging bag. In the final analysis, it was found that the temperature and humidity were not followed in the process of using the high temperature cooking packaging bag. After the operation, various quality problems occurred after the products were put on the market, causing heavy losses.

The CPP film in the heat-resistant retort packaging bag is one of the important raw materials for the heat-resistant retort bag. CPP film has the characteristics of good transparency, high gloss, good stiffness, good moisture resistance, excellent heat resistance, and easy heat sealing. In the production process of composite plastic packaging bags, CPP film is printed and composited with other materials, and then the bag is made. The finished product meets the relevant requirements of high-temperature cooking packaging bags. It is suitable for use as plastic packaging bags in many fields such as food and medicine. ,Very convenient.

At the same time, the transparency of this packaging material is very good. The outer packaging bag of some commodities needs to open a transparent window to show part of the appearance of the commodity, and increase the attractiveness of the commodity. In food packaging, this feature is very attractive and related. Regulations require that food packaging must display part of the product so that consumers can determine the appearance of the product.

Therefore, when making custom-made high-temperature retort packaging bags, the choice of material is the most important. At the same time, the packaging form of the plastic packaging bag can be determined according to the different requirements of your own products.