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The materials of luggage are mainly as follows:
1. Flannel
Flannel is a fleece machine that pulls the fibers of the yarn body out of the yarn body, and evenly covers the surface of the fabric, making the fabric present a rich fluffy cotton fabric. The fleece is raised by the repeated action of the wire needle tip of the fleece machine, and the fleece formed by pulling up a part of the fiber on the fabric surface of the gray fabric is required to be short and dense. Flannel is divided into single-faced fleece and double-faced fleece. The fabric of single-faced fleece is mainly 2/2 twill, also called serge; the fabric of double-faced fleece is mainly plain weave.
2. PVC/PU leather
In our country, people are accustomed to call artificial leather produced with PVC resin as raw material PVC artificial leather (abbreviated as artificial leather); artificial leather produced with PU resin as raw material is called PU artificial leather (abbreviated as PU leather): use PU resin and non-woven fabric as raw materials The artificial leather produced is called PU synthetic leather (abbreviated as synthetic leather).
The difference between PVC artificial leather and PU synthetic leather can be distinguished by the method of soaking in gasoline. The method is to use a small piece of fabric, put it in gasoline for half an hour, and then take it out. If it is PVC artificial leather, it will become hard and brittle. PU synthetic leather will not become hard and brittle.
3. Non-woven fabric
According to different production processes, non-woven fabrics can be divided into:
The exact name of non-woven fabric should be non-woven fabric, or non-woven fabric. Because it is a fabric that does not need to be spun and weaves, it just aligns or randomly arranges short textile fibers or filaments to form a web structure, which is then consolidated by mechanical, thermal bonding or chemical methods. Non-woven fabrics break through the traditional textile principles, and have the characteristics of short process flow, fast production speed, high output, low cost, wide use, and multiple sources of raw materials.

Posté le 05/01/2021 à 03:40 par uiklsai

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