General instructions on the pack is not very detailed description of fabric, CORDURA or just say HD. It said only a textile method. If a more detailed description should be a degree of + fiber textile materials + methods. For example: N. 1000D CORDURA, that is a 1000D CORDURA nylon material. Many people think that backpack materials "D" represents the density (density), or weight. This is wrong. D is the denier of the abbreviation. The Denier is a unit of measurement fiber. Calculated: each 9,000 meters long line of weight 1 gram referred to as Denier. Therefore, D in front of the number of smaller, its line on the fine, the density also smaller. For example 210D of the material, especially fine lines, generally as a package or compartment lining. The 900D or 1000D of the material texture thick lines are thick, very wearable, generally used as a guarantee. Ballistic nylon (Ballistic Nylon) originated in the United States, the beginning is used in automobile tires and military bulletproof vests inside, the experience of long-term development and improvement, since the organization of a strong fabric, wear and tear resistance than the general nylon, polyethylene cloth (POLYESTER) or cotton (COTTON) are several times higher than durability. Together with the cloth itself, touch smooth, brilliant lasting color and high texture, and soon will be replaced by other fabrics such as suitcases and knapsacks of the most high-end travel products, the most popular fabric ......
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