The classification of fibers according to their physical characteristics such as strength, maturity, length, trash-content, fineness etc is known as Grading. Different countries have many different Grading for Cotton. Such as:
Grading for U.S.A. Cotton:
1. Strict good middling.
2. Good middling.
3. Strict middling.
4. Middling.
5. Strict low middling.
6. Low middling.
7. Strict good ordinary.
8. Good ordinary.
Grading for Egyptian Cotton:
1. Extra fine.
2. Fine.
3. Fully good.
4. Good.
5. Fully good fair.
6. Fully fair.
7. Fair.
Grading for Indian Cotton:
1. Super choice.
2. Choice.
3. Extra super fine.
4. Super fine.
5. Fine.
6. Fully good.
7. Good.
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