How can you tell the quality of yarn?
The fineness of yarn is expressed by count, or linear density. In the Metric count, Nm, it is determined by the number of one kilometer yarn weighing in One Kilogram. The Tex or Denier system takes the weight in grams of either 1 or 9 kilometers of yarn.
How are yarns measured?
Yarn thickness is measured using something called WPI, which stands for Wraps Per Inch. The idea is you wrap your yarn around a gap measuring 1 inch, and count how many strands you can fit in.
How do you classify yarn?
The three basic classifications of textile yarn include staple fiber yarn, which uses mostly short natural fibers to make yarn; ply yarns, which involve one or more strands of staple fiber yarn wound together; and filament yarn, which is wound from one or more long continuous filaments.
What are the 3 major yarn categories?
Table of Contents
- Types of Yarn.
- Organic Yarn.
- Cotton Yarn.
- Silk Yarn.
How do you calculate CSP of yarn?
C.S.P is the product of English count and strength of yarn in pound. i.e. C.S.P = Strength of yarn in pound x Count in English system. Again, English count is the no. of hanks in 840 yards length per 1 pound weight of yarn.
How do you calculate yarn denier?
You can, however, calculate the deniers of a sample from its standard density, measured in grams per cubic centimeter. Divide the result by 4 x 10^-6, a constant conversion factor: 0.004972 / (4 x 10^-6) = 1,243. This is the yarn’s density in deniers.
What is yarn science?
The yarn is a continuous strand that is made up of filaments (i.e., quasi endless fibers) or staple fibers (fibers of limited length). The process of yarn formation is also called secondary spinning. … Frequently, (hydrophobic) synthetic fibers are mixed with (hydrophilic) natural or cellulosic fibers.
What is yarn numbering system?
In a direct yarn counting system, the yarn number or count is the weight of a unit length of yarn. This means the higher the yarn count number, the heavier or thicker the yarn. It is fixed length system. This system is generally used for jute or silk yarn. … e.g. 30 Tex indicates that 1000 meters of yarn weight 30 grams.
What is flock yarn?
INTRODUCTION TO FLOCKED YARN
Flocked yarn has a velvet appearance, with soft touch, high comfort, excellent moisture management and is able to absorb and reduce friction. … Main application field of flocked yarn is the automotive market. Textiles woven with flocked yarn are used as covers of car seats.
What is yarn programming?
What is yarn manufacturing process?
Reeling and throwing. Reeling is the process of unwinding raw silk filament from the cocoon directly onto a holder. When several filament strands, either raw silk or synthetic, are combined and twisted together, producing yarn of a specified thickness, the process is called throwing.