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The difference between cotton bags and canvas bags in raw materials Nov 15, 2018

The difference between cotton bags and canvas bags in raw materials

The cotton bags and canvas bags in the bag type can be called cotton bags, and they are all environmentally friendly bags. Its raw materials are made of pure cotton and are easy to descend in the natural environment without polluting the environment. However, they also have different places, that is, the thickness of the canvas bag is generally larger than the cotton bag. Here are some of the characteristics of these two kinds of bag materials:

1. Cotton cloth: Cotton cloth is a kind of woven fabric with cotton yarn as raw material. Different varieties are derived due to different tissue specifications and different post-processing methods. The concept of cotton cloth is very wide. It can be said that any fabric whose raw material is woven with cotton yarn can be called cotton cloth. However, it is put into the daily life to understand. It is generally believed that cotton is made of single-strand, relatively fine cotton yarn. It has the characteristics of softness, moisture absorption, breathability and warmth. Its disadvantage is that it is easy to shrink and wrinkle. There are a wide variety of cotton fabrics, such as plain cloth, poplin, hemp, twill, thread, velveteen, corduroy and so on. Cotton cloth is a necessity for people's daily life. It is widely used in clothing, bedding, indoor products, interior decoration, packaging, industry, medical, military and so on.


Second, canvas: canvas is a relatively thick cotton fabric or hemp fabric, most of the specifications of the canvas yarn is thicker than the ordinary cotton yarn. As early as the eighth century, Europeans were named "canvas" for making sails. At present, domestically, because there are relatively few raw materials for hemp, we generally think that cotton is used as raw material, so it can be said that canvas is also a kind under the broad category of cotton. The biggest difference between canvas and cotton is that the warp and weft yarns of the canvas are composed of 2 or more strands, while the cotton fabrics are mostly single strands. This also leads to a rougher canvas and a finer cotton. In addition, canvas is generally made of plain weave, and twill weaving is rarely used, which also brings convenience to distinguish between canvas and cotton. Because the canvas is multi-strand weaving, the texture is firm, wear-resistant, tight and thick, and the canvas has strong and strong waterproof characteristics. Therefore, canvas is widely used in cloth bags, clothing, footwear, automobile transportation, luggage and other industries.


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