Ruichuan Technology
Blog Center
08
2019
-
11
What are the advantages of dust-free PE bags?
Author:
Dust-free packaging bags are a type of high-strength plastic flexible packaging. Co-extruded films have a stretching characteristic during processing; stretching the plastic can increase strength accordingly. Materials such as LLDPE and MDPE can be added in the middle to give it a composite strength exceeding that of general plastic packaging. There is no delamination, it has good flexibility and excellent heat sealing performance. This is one of the advantages of dust-free packaging bags.
The structural design of dust-free packaging bags is also very flexible. Different structural designs can meet your needs for different product spaces and sensory experiences. Common bag types include: three-side sealed bags, back-sealed bags, brick-shaped bags, and side-sealed bags.
The advantage of dust-free PE bags is their cost-effectiveness. Compared with glass packaging, aluminum foil packaging, and other plastic packaging, co-extruded film has a significant cost advantage in achieving the same barrier effect. Due to the simple process, the cost of the produced film products can be reduced by 10-20% compared with dry composite films and other composite films. Because dust-free PE bags have undeniable advantages and functions, they are widely used in various industries, such as roast duck, roast chicken, beef, salted duck eggs, rice, millet, mung beans, walnut kernels, candied fruit, and other foods, all of which require this type of dust-free PE bag for packaging. It utilizes the vastly different barrier properties of different plastic materials, using co-extrusion film to achieve high barrier effects against oxygen, water, carbon dioxide, and odors.
Usually called decompression packaging, it is based on the principle of atmospheric pressure. The main function of dust-free PE bags is deoxygenation to help prevent food spoilage. Moreover, it has powerful functions: oil resistance, moisture resistance, high-temperature steaming resistance up to 120 degrees Celsius, low-temperature freezing resistance, preservation, freshness retention, and aroma retention. It can be used for vacuum packaging, aseptic packaging, and gas packaging.
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