Yarn count

Yarn count is generally classified into:

Indirect system:

This system is applied for the measurement of length per unit weight of yarn, where weight is considered to be constant. When count increases, fineness increases. In this system the normally used units of measurement are:

  • English System (1 Ne = 1 Hank/ lb)
  • Metric System (1 Nm = 1 Km/ kg)

Direct system:

This system is applied for the measurement of weight per unit length of yarn where length is considered as constant. In this system the usually used units of measurement are:

  • Tex = 1g/ 1000m
  • Grain = 1g/ 10,000m
  • Denier = 1 Denier = 1g/ 9000m

Example:

If we have a cotton yarn with 20Ne then what will be the Tex count?

  • Ne = 590.5/Tex
  • Tex = 590.5/20
  • Answer = 29.5

Question

What is the weight of a yarn with yarn-number Nm 30/1, and with a length of 840 meters?

  1.   32 g  
  2.   128 mg  
  3.   28 g  
  4.   430 mg  

Question

Convert the Nm yarn number to Denier

  1.   300  
  2.   19.7  
  3.   177  
  4.   200  
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