Decitex - the weight in grammes of 10,000 metres of yarn Denier - the weight in grammes of 9,000 metres of yarn Hence, a 176 decitex yarn can also be described as a 150 denier yarn

• A useful term to remember is the Decitex per filament (dtexpf).

• The dtexpf denotes the decitex of a yarn divided by the number of filaments within the yarn; as shown in the following example.

• There may be several definitions of a microfibre , but the most commonly used is :

Table 1. A perspective on filament fineness