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Mountaineering backpack material application

2018-12-21

Many people tend to pay more attention to the color and shape of the backpack when choosing a backpack. In fact, the key to the durability of the backpack depends on the material. From the perspective of the webbing, the price of ordinary webbing and high-quality webbing can be 3~5 times worse. The high-quality webbing has a smooth surface, soft texture, moderate smoothness and strong bearing capacity, and can withstand tensile force of more than 200 kg. From the perspective of fabrics, different materials have different textures and performances, so the price will vary greatly. The commonly used materials for backpacks are polyester and nylon. Although the former has good coloring and strong color properties, it is not as strong as the latter in terms of strength and elasticity. Therefore, although the backpack made of polyester cloth is also very beautiful and the price is correspondingly cheap, The backpack is not as good as nylon fabric. Secondly, the density of the fabric is different, the quality and price will be different, the same as the 420D fabric, the ordinary fabric is 280 grams per yard, and the high-density fabric weighs 410 grams per yard, so the two fabrics are very strong in strength and wear resistance. Great difference. The fabric was destructively tested on the friction machine, the same as the 500D fabric, the polyester cloth was broken to 1209 rpm, and the DuPont nylon cloth was broken to 3,605 rpm, and its wear resistance was three times that of the ordinary polyester fabric. From the coating point of view, low-grade backpacks are mostly coated with PVC, which will harden when cooled, while high-grade backpacks use PU-coated fabrics. The cold hardness does not change significantly. The fabric of four PU coatings can be more than 1500mm. . In the market, brand-name backpacks are more scientific in terms of materials, so performance and quality are better.

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