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What does 200D 140D of socks mean?
Monofilament fineness conversion (decitex and D denier) 1.6. 1. Fixed length system: Denier (D) Denny, Tetex Tex and dtexDenier are generally used to represent the common units of filament system (1g/9000m): therefore, 70d stands for 9000m long and 7000m heavy. 160 d stands for 9000m long and weighs 160g, and so on. Tex definition (1g/ 1000m): Therefore, 70tex stands for 1000m, with a length and weight of 70g;; 160tex stands for 1000m long and weighs 160g, and so on. Dtex definition (1dtex =1g/10000m): Therefore, 70dtex stands for10000m, with a length and weight of 70g;; 160dtex stands for 10000m long 160g heavy, and so on (1tex= 10dtex), so 1 dtex = 0.9 denier adopts dtex system: Europe and Japan. Therefore, the higher the number obtained by the fixed length system (the higher the Denny number and Texaco number), the thicker the yarn. Standard measurement method: use a winder, per revolution1m. After 90 turns, multiply the scale by 100 to get Denny. Actual measurement: try to take a longer length (L, expressed in meters) on the fabric, weigh it (W, expressed in grams), and calculate the Denny number according to 9000× W/L (Note: because the length is too short, it is more accurate to take at least 5 sampling points on average, and the scale should be 4 decimal places) 1.6.2. Fixed weight system: the common unit commonly used to express the staple yarn system is the number of English cotton yarn Ne (count) Nc definition: 1lb (pound) yarn is 1. 60 means a yarn with a weight of 1lb and a yarn length of 60×840 yd;; Therefore, the higher the count (count) obtained by the fixed weight system, the finer the yarn. Simple relationship: Dan ×Ne=53 15.