In life, we will see all kinds of packaging bags, among which kraft paper bags will be familiar to everyone. As long as you are out shopping, you can get access to it almost every day! I don't know if you have noticed that some kraft paper bags are rough, but others reflect bright light, and the surface looks particularly smooth. Why? How to make this glossy kraft paper bag? What kind of scenario is it more suitable for?

What are the advantages and disadvantages of glossy kraft paper bags?

Compared with ordinary kraft paper bags, the advantage of bright kraft paper bags is very obvious, that is, its appearance is more exquisite. Compared with synthetic plastics, the material of kraft paper itself is relatively rough, and it feels like large particles of frosted, and we can feel the silk fibers on the paper. But bright kraft paper is different. Its surface is very smooth, which can reflect the light in the surrounding environment and feel more delicate.

Not only that, but bright kraft paper bags are more tough and durable than ordinary kraft paper bags, not easy to tear, and their load-bearing capacity is often stronger. However, bright kraft paper bags also have their own shortcomings. Its manufacturing cost is high. Although the waterproof ability is better than that of ordinary kraft paper bags, it is still weaker than that of synthetic plastic bags.

How to make a glossy kraft paper bag?

Before making a glossy kraft paper bag, let's first understand how it shines. Most glossy kraft paper bags on the market have a two-layer structure, and the slightly more complicated ones will use a three-layer structure. The middle is the raw material of kraft paper, and the outside is matte BOPP film, which makes it smoother and more delicate. If glossy kraft paper is used to fill food, a layer of food-grade CPP film will be added inside it.

The process of making bright kraft paper bags is complicated, and the difficulty lies in how to combine matte film and CPP film with kraft paper raw materials, which needs to be handed over to professional manufacturers for processing. Now everyone knows why this type of kraft paper shines, right? Although they are all called kraft paper, in fact, it adopts a more complex composite process, and the raw materials used are not just kraft paper.

How to use a glossy kraft paper bag?

We have introduced the advantages and disadvantages of kraft paper bags and the manufacturing process above. Now let's know its specific uses. Bright kraft paper bags are widely used in the gift packaging industry, especially suitable for packaging local products, such as preserved fruits, preserved meat, nuts, cakes and other snacks. However, the glossy kraft paper bag with inside film is not suitable for packaging fried food just out of the pan.

Glossy kraft paper bag Especially popular in the food industry and gift wrapping industry! It has the advantages of ordinary kraft paper bags and synthetic plastic bags. It has exquisite appearance and delicate feel, and the production process is relatively complicated. If you want to customize bright kraft paper bags in batches, you must cooperate with professional manufacturers!