Yarn Numbering and Conversions

Count Conversion (Ne / Nm / Tex / Decitex / Denier...)

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Sriyadithatextile - Count Conversion (Ne / Nm / Tex / Decitex / Denier...)

Yarn Numbering and Conversions
TFA

Yarn Count

 Count is a numerical value, which express the coarseness or fineness (diameter) of the yarn and also indicate the relationship between length and weight(the mass per unit length or the length per unit mass)of that yarn. Therefore, the concept of yarn count has been introduced which specifies a certain ratio of length to weight.

The fineness of the yarn is usually expressed in terms of its linear density or count. There are a number of systems and units for expressing yarn fineness. But they are classified as follows .

Types of Yarn Count System :

  1. Direct Count System 
  2. Indirect Count System

 

Direct Count System :

The common features of Direct count systems are the length of the yarn is fixed and the weight of yarn varies to its fineness.

Definition of the above Systems is as follows

  1. Tex system ..........................NO. of grams per 1000 meters
  2. Denier .................................No. of Grams per 9000 meters
  3. Deci Tex ..............................No. of grams per 10,000 metres
  4. Millitex ................................No. of milligrams per 1000 metres
  5. Kilotex............................... .No. of kilograms per 1000 metres.
  6. Jute count............................No. of lb per 14,400 yds

 

Indirect Count System :

The common features of Indirect count systems are the weight of yarn is fixed and the length of yarn varies according to its fineness.

Definition of the above Systems is as follows

  1. Ne ..........................No. of 840 yards in One pound
  2. Nm .........................No. of 1000 metres (Kilometre) in One Kilogram

 

According to the yarn count definition given in British Standards by using following formula

you can convert yarn count from one unit to another.

 

From – To

Formula

 1

Ne to Denier

5315 / Ne

 2

Denier to Ne

5315 / Denier

 3

Ne to Nm

Ne X 1.69

 4

Nm to Ne

Nm  / 1.69

 5

Denier to Nm

9000 / Denier

 6

Nm to Denier

9000 / Nm

 7

Ne to Tex

590.5 / Ne

 8

Tex to Ne

590.5 / Tex

 9

Tex to Nm

1000 / Tex

 10

Nm to Tex

1000 / Nm

 11

Tex to Denier

Tex x 9

 12

Denier to Tex

Denier / 9

 13

Denier to Decitex

Denier / 0.9

 14

Nm to Decitex

10,000 / Nm

 15

Ne to Decitex

5905 / Ne

 

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