Introduction of Canvas Backpack Source and Canvas Product Parameters

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Introduction of Canvas Backpack Source and Canvas Product Parameters

1. Introduction to the source of the rucksack

The history of canvas is extremely long, and canvas has been widely used as early as the ancient Roman era. Because the canvas is woven with multiple strands, the texture is strong, wear-resistant, tight and thick, and the ancient Romans at that time originally used it to make wristbands for falconry. The densely woven thick canvas also has good water resistance, and was eventually used in large quantities by the ancient Romans to make camping tents. Due to the strong and wear-resistant properties of canvas, the first modern parachute was made of canvas, the first modern football used rubber as the core and the spherical surface made of canvas. The world's first oil painting appeared in the 15th century, and the canvas was also made of thick and wear-resistant canvas.

In the early 16th century, canvas was brought to the American continent by merchants. In the early days of European immigration to the Americas, canvas bag backpack became the favorite of people who yearn for freedom and full of adventurous spirit. Later, the world's first pair of jeans was also sewn from canvas. , and then the birth of the world's first pair of canvas shoes marked the development of canvas to a new period, and canvas began to be closer to people's lives. In the 1960s and 1970s in China, army green canvas schoolbags became a fashion item for everyone. With the advancement of science and technology, the textile technology has been greatly improved, the types of canvas have gradually increased, and the application has become more extensive. The 21st century has entered the era of environmental protection. Canvas, an environmentally friendly fabric, has been more recognized. Although canvas does not have enough publicity and show off, it is more casual and low-key. The new canvas concept will carry new Fashion concept, into the fashion field.

2. Product parameters of rucksack

(1) Yarn weaving. In short, yarn count refers to the thickness of the yarn.

(2) Density. Rucksack fabric density is calculated in metric units and refers to the number of warp and weft yarns arranged in a square inch. The size of the density directly affects the physical and mechanical indicators of the fabric's appearance, feel, thickness, strength, folding resistance, air permeability, wear resistance and thermal performance, and it is also related to the cost and production efficiency of the product.

(3) Gram weight. Refers to the weight in grams of one square meter of fabric. The thicker and denser the yarn, the thicker the cloth and the greater the gram weight. This has nothing to do with the yarn density of the fabric, but the ounce is used on thicker fabrics.

(4) Width. Refers to the weft width of the rucksack, which is commonly expressed in "inches" internationally.

Introduction of Canvas Backpack Source and Canvas Product Parameters

1. Introduction to the source of the rucksack

2. Product parameters of rucksack

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