Multi-layer composite packaging bag and processing technology thereof
A multi-layer composite and processing technology, applied in the field of packaging materials, can solve the problems of insufficient tear resistance and high temperature resistance, and achieve the effect of improving strength and tear resistance, improving high temperature resistance strength and good elasticity
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[0031] The following descriptions are only preferred implementations of the present invention, and the scope of protection is not limited to this embodiment. All technical solutions under the idea of the present invention shall belong to the scope of protection of the present invention. At the same time, it should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
[0032] See Figures 1 to 2 , a multi-layer composite packaging bag, comprising a bag body 1, the bag body 1 is divided into five layers that are closely attached to each other, the innermost layer is a tear-resistant layer 2, the tear-resistant layer 2 is a nylon fiber layer, and the nylon fiber layer The thickness is 3mm. The nylon fiber layer is composed of warp nylon fibers and weft nylon fibers, and every three nylon fibers in the warp direc...
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