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What are the biodegradable packaging materials

What are the biodegradable packaging materials

  • Categories:Industry news
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  • Time of issue:2021-11-04
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(Summary description)Different packaging materials in the market have different prices when they are sold. When food packaging is processed, it is not to say that any material can be used for food packaging. So do you know what packaging printing materials are available? And what are the biodegradable packaging materials?

What are the biodegradable packaging materials

(Summary description)Different packaging materials in the market have different prices when they are sold. When food packaging is processed, it is not to say that any material can be used for food packaging. So do you know what packaging printing materials are available? And what are the biodegradable packaging materials?

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-11-04
  • Views:0
Information

Different packaging materials in the market have different prices when they are sold. When food packaging is processed, it is not to say that any material can be used for food packaging. So do you know what packaging printing materials are available? And what are the biodegradable packaging materials?

biodegradable packaging materials

The biodegradable packaging material is usually based on materials that can block oxygen and water, and retain fragrance and freshness. Most of the inner layer composite heat-sealable materials can be directly contacted with food, and the outer layer has good printability and puncture resistance materials. Of course there are more complicated ones. And now there are three common food packaging materials, which are plastic packaging, metal packaging, and glass packaging.

In recent years, the taste of food in the food industry has been continuously upgraded. For example, the convenience food category has developed from simple instant noodles to the present convenience foods that are all available on the shelves. So what are the biodegradable packaging materials?

Nowadays, there are three kinds of plastic bags that people use: one that can’t put food and can only be used for building materials or garbage; one is for clothing; and the other is for holding food. . Some of these three kinds of plastic bags contain "toxins". For example, polyvinyl chloride plastic is a toxic variety. Its raw materials are non-toxic, but toxic benzene and olefin materials are added in the process of making plastics. Plastic bags with a particularly dark color, such as black, red and dark blue, are all re-added from recycled waste plastic products, which are hugely harmful to the human body, so they cannot be used for imported food.

Some unscrupulous businesses use waste plastic to make plastic bags. The main component of waste plastic is polyvinyl chloride. If it is combined with inferior additives that do not meet national regulations or seriously exceed the standards during processing, it will produce strong carcinogens. Using such plastic bags to package food, fruits and vegetables, harmful substances will be adsorbed on the food, even if it is washed, it is difficult to remove. If a polyvinyl chloride plastic bag is used to hold food above 50-60°C, the lead in the bag will dissolve into the food, and the plastic bag will also release toxic gases and intrude into the food. Long-term ingestion by the human body will seriously damage the body's health and lead to disease. Especially for hot food, high temperature will cause the toxic substances in the plastic to be absorbed by the food, and once it enters the human body, it will cause accumulated towel poison. Therefore, plastic bags must not be used indiscriminately when loading hot food.

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