What are the advantages and disadvantages of using composite technology for vacuum bags
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- Time of issue:2021-05-01
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(Summary description)What are the advantages and disadvantages of the vacuum bag using composite technology:
What are the advantages and disadvantages of using composite technology for vacuum bags
(Summary description)What are the advantages and disadvantages of the vacuum bag using composite technology:
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-05-01
- Views:0
What are the advantages and disadvantages of the vacuum bag using composite technology:
The composite vacuum bag refers to the compounding of two or more films with different barrier properties through a certain process. In this way, the permeating molecules have to pass through several layers of membranes to reach the inside of the package, which is equivalent to extending the permeation path, thereby improving the barrier performance. The method is a composite film with excellent comprehensive performance prepared by combining the advantages of various membranes, and its process is simple. However, compared with intrinsic high-barrier materials, the film prepared by this method is thicker, and problems such as bubbles or cracks and wrinkles that affect the barrier performance are prone to occur, and the equipment requirements are relatively complicated and the cost is relatively high. Composite vacuum bags are commonly used in the packaging of solids and powders. When the heavier contents are subject to instantaneous impact (such as falling), higher sealing strength is required. From the perspective of material structure, only increasing the tensile strength cannot solve the problem. The tear strength of the material seems to be able to increase the impact strength more significantly. I hope this article will give you some understanding and help on the advantages and disadvantages of composite vacuum bags.
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