KP bag is a product made from Kraft paper combined with PP (Polypropylene).
The structure of KP bags usually has the following characteristics:
- Outer layer: made of Kraft paper, this layer owns yellow/yellow gray/brown/white,... depending on the additives that come with it. On the market today, Kraft paper originated from many places such as Japan, Russia, Korea, Vietnam Paper...
The reason KP bags use this layer of paper is for the purpose of preventing moisture, dehumidification to help protect product better. On the other hand, this is also a way to help the printing process, create brand coverage, increase the aesthetics of the product more effectively.
- Inner layer: the inner layer of the KP bag is made of polypropylene resins, combined with a variety of additives. This layer has a bearing effect, resists bumps, as well as the influence of the outside air, affecting the product quality.