Knowledge

What is the reason for punching holes in food packaging bags?

The general packaging plastic bag does not need to be perforated, but in order to release the air inside the bag after sealing and avoid the space occupied by the air, the hole is vented. The stomata

What is the quality evaluation standard for plastic printing bags?

Plastic bags are used more and more, and the style and quality are also varied. For example, real estate custom advertising bags, supermarket custom shopping bags, etc., plastic loans for different pu

Whether food plastic bags are heated to produce harmful substances

Is the food plastic bag harmful after heating? Plastic bags with gimmicks in daily life are usually heated in plastic bags or plastic bags filled with milk. They will be placed in a microwave oven for

Advantages of plastic bags

There are many ways to package products, but plastic bags are the most widely used, so why use them so widely has unique advantages.

How to seal plastic bags?

Plastic bags need to be sealed when they are used. What are the methods of sealing?

Which plastic bags are not suitable for food?

Plastic bags and other plastic products can be seen everywhere in our daily life, and many people are used to holding items, even food, not knowing that improper use of plastic bags can cause harm to

What kinds of vacuum bags are there?

In the present life, vacuum packaging bags bring great convenience to people's lives. Not only in life, but also in some enterprises, the appearance of vacuum packaging bags is convenient for our live

What are the temperature characteristics of plastic bags?

Plastic bags have certain temperature characteristics

Is it safe to pack liquid in plastic packaging bag?

People always have concerns about plastic food packaging bags, and some people think that plastics are not safe. Especially when plastic packaging bags of liquid foods, people's concerns will be even

Food packaging film

The food packaging film is used to wrap the surface of the food, and is mainly used to isolate the decomposition of microbial bacteria and foreign pollutants, and to prevent and prolong the deteriorat

How much do you know about the role of food packaging film?

In the eyes of packaging designers, the first is of course to help sales and brand integration, but then you will specifically introduce the role of food packaging, of course, everyone thinks that the

Can disposable tableware be recycled for other purposes?

"Disposable foam plastic tableware" has always been considered the culprit in the manufacture of white pollution.