Kraft paper bags are widely used in the market

Among the four packaging materials of paper, plastic, glass and metal, paper and paperboard account for more than 40% of all packaging materials in the world.
As packaging materials, paper and paperboard have incomparable advantages over other materials. They not only have appropriate stiffness and strength, but also have good elasticity and toughness.
At present, many load-bearing packages in the market use kraft paper pouch. However, the gas resistance (oxygen) and moisture resistance (water vapor) of kraft paper and woven bags can not meet the requirements, especially for these two packaging products with high performance requirements.
Therefore, aluminum foil composite kraft paper pouch came into being.
Composite kraft paper pouch are often used to pack various chemical raw materials, plastic particles, food additives and dry powder building materials.

Kraft paper bags
Kraft paper bags are widely used in the market 2

Because its surroundings can be completely sealed, it can effectively prevent the pollution of dust and other external harmful substances to the contents, is not limited by the appearance of dangerous goods, and has strong cushioning and adaptability.
It is commonly used in the packaging of bulk solid dangerous goods. Used for packing and transporting cellulose, resin powder, salt, chemical additives and other chemicals.
Compared with other containers, multi-layer kraft paper pouch have better protection, stronger cushioning and shock absorption performance, compact and seamless structure, and can block light and dust.
In addition, due to the application of many new technologies and the development of new varieties, kraft paper pouch have made great progress in strength and moisture resistance.
Advantages of kraft paper pouch: strength and high ring definition of kraft paper bag: kraft paper bag is a non-toxic, tasteless and pollution-free small bulk container, which meets the national environmental protection standard and has a high warranty period. It is one of the most popular environmental protection packaging materials in the world.
Application scope of composite kraft paper pouch: chemical raw materials, food additives, pharmaceutical additives, building materials, etc.
It is suitable for kraft paper pouch packaging industry. The form is seam bottom opening, which is environmentally friendly and hygienic.
There are imported kraft paper pouch and domestic kraft paper, which can provide food grade inner membrane bags.
In fact, composite kraft paper pouch are larger than kraft paper pouch, but there is still a certain gap in some specific applications.
Before that, we must know the most.
As we all know, kraft paper bags have brought a lot of convenience to our life and are of great help to environmental protection.
Now let’s take a look at the differences and characteristics of three-layer kraft paper bags.
Three layer kraft paper bag is the latest generation of environmental protection materials.
It has the functional characteristics of waterproof, breathable, flexible, not easy to burn, non-toxic, non irritating, rich color and so on.
The maximum service life of the material is only 90 days if it is outdoors. If it is indoors, it will spontaneously decompose within 5 years.
Another advantage is that the combustion is non-toxic, tasteless and no substances will be left, so it will not pollute the environment. Therefore, environmental protection is also generated.
Three layer kraft paper bag is widely used. According to the purpose, it can be divided into leather, footwear non-woven fabrics, home decoration, home non-woven fabrics, clothing non-woven fabrics, industrial non-woven fabrics, national defense industrial non-woven fabrics, automobile industrial non-woven fabrics, filter material non-woven fabrics, agricultural and horticultural non-woven fabrics and other industrial non-woven fabrics.
Three layer kraft paper bag products are characterized by:
Light weight. Three fifths of cotton, thin and light, fluffy and feel good.
Soft. It is composed of fine fibers, which are bonded by point hot melt, and the softness of the finished product is appropriate.
Pull water and breathe. The product has good water pulling performance, 100% fiber, porous, good air permeability, easy to keep the cloth dry.

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