Denier is a unit of measure for the linear mass density of fibers. Denier is defined as the mass in grams per 9000 meters. A measurement, usually used on physics, of mass per length. ... For the meaning of fiber in nutrition, see dietary fiber. ... Mass is a property of a physical object that quantifies the amount of matter and energy it is equivalent to. ... For other meanings of gram, see gram (disambiguation). ... metre or meter, see meter (disambiguation) The metre is the basic unit of length in the International System of Units. ...

One can distinguish between Filament and Total denier. Both are defined as above but the first only relates to a single filament of fiber (also commonly known as Denier per Filament or D.P.F) whereas the second relates to an agglomeration of filaments.

The following relationship applies to straight, uniform filaments:

D.P.F. = TotalDenier / QuantityofUniformFilaments

The denier system of measurement is used on tow and single filament fibers. Some common calculations are as follows: For the meaning of fiber in nutrition, see dietary fiber. ...

Examples

• A fiber is generally considered a microfiber if it is 1 denier or less.
• A 1-denier polyester fiber has a diameter of about 10 micrometres.

Microfibre is a term for fibres with strands thinner than one denier. ... SEM picture of a bend in a high surface area polyester fiber with a seven-lobed cross section Polyester is a category of polymers, or, more specifically condensation polymers, which contain the ester functional group in their main chain. ... Diameter is an AAA (authentication, authorization and accounting) protocol for applications such as network access or IP mobility. ... A micrometre (American spelling: micrometer), symbol µm, is an SI unit of length. ...

External references

• http://www.numei.com/aboutmicrofiber.htm
• http://www.members.optusnet.com.au/ncrick/converters/mass.html