Tag Archives: Cotton Fiber

Grading Of Cotton Fiber || Selection Of Cotton Fiber

Cotton fibers grading is done depending on their physical characteristics such as length, strength, fineness, maturity, trash content etc. This classification is called grading of fiber.

Cotton fibers grading is depend on the trash content of the cotton fiber. Except fiber, other impurities and dust such as broken leaf, broken seeds piece are called trash of the cotton. If one wants to produce good qualified yarn he needs to remove all trash and short fiber from the cotton fiber. So, it is required to know the quantity of trash in the cotton. To measure the trash content in the fiber an instrument is used called Shirley Analyser.

Grading Of Cotton Fiber: Cotton plant is cultivated in most of the countries of the world. The characteristics of the cotton fiber is not same, it varies on climate, weather, cultivating system, harvesting system and others. Here, I have present some grading system of some countries by which they grade their cotton.

Grading of US Cotton: This grading is done from upper quality to lower quality.

Middle Fair

Strict Good Middling

Good Middling

Strict Middling

Middling

Strict Low Middling

Low Middling

Strict Good Ordinary

Good Ordinary

Grading of Egyptian Cotton: This cotton grading is done from upper level to lower level.

Extra Fine

Fine

Fully Good

Good

Fully Good Fair

Good Fair

Fair

Grading Of Indian Cotton: This grading is done from upper grade to lower grade.

Super Choice

Choice

Extra Super Fine

Super Fine

Fine

Fully Good

Good

Fully Good Fair

Above grading is most used grading system and most of the countries follow above grading. It is noted that, Pakistan and Bangladesh also follow grading of US for grading cotton.

So, when you will import cotton from other countries, you have to ensure the correct grades of the cotton.

Types of Cotton Yarn Produced In Spinning Mills | Cotton Yarn

Cotton yarns are the most produced yarn of the world. Mainly cotton yarns are divided into three types as carded, combed and rotor yarn depending on the manufacturing techniques. There are various types of cotton yarns are produced by different spinning machine. Each having its own characteristics. These characteristics vary according to the construction and treatment given in the manufacture of the yarn.

Types of Cotton Yarn Produced in Spinning Mills: In spinning mill; various types of cotton yarns are produced from the cotton fiber. Followings are the most common cotton yarn types.

  1. Fly Yarn
  2. Cabled Yarn
  3. Doubled Yarn
  4. Novelty Yarn
  5. Slub Yarn
  6. Flake Yarn
  7. Spiral Yarn
  8. Ratine Yarn
  9. Loop or Curl Yarn
  10. Knot or Spot Yarn
  11. Chenille yarn

All of the above yarns are used in the knit or woven fabric manufacturing process.

Cotton Cultivation | Top Cotton Producing Countries Of The World

Cotton is the major fiber from all of the seeds and fruits fiber. It grows naturally. Cotton cultivation is carried out in approx 75 countries in the world. It is cultivated on an average of 32 million hectares of land. This is approx 0.8% of the cultivated surface of the earth. The world wide annual production of ginned cotton is 18 to 20 million tones. This is approx 50% of the textile fibers processed between 4 and 6 million tones of the cotton are exported.

Cotton Fiber Producing Countries of the World: It is important to know the name of the cotton producing country name. The most important cotton producer’s are-

USA | China | Russia | Pakistan | India | Brazil | Turkey | Egypt | Australia | Mexico | Sudan | Togo | Greece | Syria | Afghanistan | Benin | Zimbabwe | Spain | Cameroon | Nigeria | Iran | Iraq | Pena | Uganda | Colombia | Tanzania | Korea | Paraguay | South Africa | Kenya | Angola | West Indies | Burma | Eastern Europe

Some of others countries also cultivate cotton but above are the major cotton producing countries. Most of the countries are involved in export and import business of cotton.

It is important to know that the properties of the cotton fiber vary from one country to another. It depends on the properties of soil, seeds, cultivation process and climate. In the modern world, USA is the best cotton growing country and major portion of cotton is supplied from USA.