There are two stages of grading, one for the home trade and
another for the export trade. Grading factors for jute are color, length,
firmness of fiber, luster, strength, clearness, freedom from defects and the
amounts of root end which will have to be cut off. Jute gradation is done after
the extraction process, usually done by Kutcha balers.
Basis of grading:
Some factors which are essential while selecting different
grades of jute are:
Ø
Length, color, luster, weight and strength.
Ø
Qualities such as smoothness, distinctness, softness,
uniformity.
Ø
Degree of fault like bark, roots, sticks,
specks, knots, runners, watermarks.
Ø
Proportion of hard centered fiber, harsh crop
ends and cutting.