Types of commercial cotton

Types of commercial cotton

• Sea Island Cotton: This is the highest quality and most valuable of all the commercial cottons. It grows on the coast of the Gulf of Florida, in Barbados , and in other adjacent Island where the climate is favorable.
• Properties

Length: Average length  2 inch

Diameter: Average 1/1500  inch (0.017mm)

Color: White to cream

• Advantages / uses 

It is famous for its uniformity, maturity, high luster , softness and its highly developed twist. It can be used for spinning counts as high as 1/200.

• Egyptian cotton: There are two kinds of Egyptian cotton , one brown and other white. Brown Egyptian cotton is like Sea Island Cotton.

• Properties

 Length: 1.5 -1.75inch

Diameter: Average 1/1500  inch (0.017mm)

Color: Brown, which makes the bleaching process more difficult

White Egyptian cotton is not so fine , having a staple length about 1 inch.

• Advantages/ Uses

 Brown Egyptian cotton is very regular and contains few immature or dead fibers. It can be used for spinning counts as high as 1/200 . But white Egyptian cotton is not suitable for counts higher than 1/ 70.

• South American Cotton:

Length : Average length 1 to 1.5 inch

Diameter: Average 1/1300 inch (0.019mm)

It is very suitable for mixing with regenerated man made fibers

• American cotton 

 This is cultivated in United States.

•  Properties

Length: Average length 1 to 1.25 inch

Diameter: Average 1/1200 inch (0.021mm)

Color: Good natural color

It can not be used for the extremely

• Indian cotton

This is a short fibre of between 0.6-0.8 inch length . It is therefore only suitable for spinning coarse counts.

• China cotton

This is the lowest grade  commercial  cotton . The fiber length lies between 0.5 to 0.7 inch . Its twist is not highly developed and rather harsh.  It is not suitable for spinning a good yarn alone and is usually used in a mixer with better qualities.

• Bangladeshi Cotton

Mainly American cotton is producing in Bangladesh.  Commercial hybrid types of cotton are producing at Maherpur. Kusthia, Jessore, Gazipur, Thakurgoan , Rajshahi, and some other districts. The quality of Bangladesh cotton is not suitable for quality textile processing. But their quality is improving day by day. During the year 200/2003  Bangladesh produced around 1500 MT cotton . It is possible to produce max . 60s Ne yarn from best quality Bangladeshi cotton.

Bangladeshi climate is not perfect for cotton cultivation, so Bangladeshi cotton is not suitable for textile processing.