Raw Jute fibers are graded according to three qualities of fibers. They are-

On the basis of Raw Jute fiber properties:

I. Length
II. Strength
III. Fineness
IV. Color
V. Lusture
VI.Roots and cleanliness and uniformity in color.

On the basis of Raw Jute color:

There are two colors-

• White and golden
• Brown to red

Corresponding to the main varieties capsularies and olitorius.

On the basis of Raw Jute export:

• A bottom
• B bottom
• C bottom
• X bottom

On the basis of the quality of raw jute:

•   Pucca grading
•   Kutcha grading

Pucca grading:

Raw jute from which roots have been cut.

White jute:

Bangla white special (BWS):

• White or creamy
• Finest texture
• Very good luster, clean, well hackled
• Completely free from any defects
• Entirely free from red ends

Bangla White-A (BW-A):

• White to light cream
• Fine texture
• Strong and very good luster, clean
• Completely free from red ends and any blemish

Bangla White-B (BW-B):

• Light cream to straw color
• Good texture
• Strong and good luster, well hackled
• Free from blemish and red ends excluded

Bangla White-C (BW-C):

• Light grey or light reddish to straw color
• Sound strength
• Average luster
• Clean but free from croppy or hard gummy
• Tops and roots and red soft ends are permissible.

Bangla White-D (BE-D):

• Any color
• Average strength
• Occasional bark and specks permissible
• Slightly croppy and gummy tops permissible
• Red ends also permissible

Bangla White-E (BW-E):

• Any color
• Any strength but free from perished fibers
• Unrated jute

Tossa Jute:

Bangla Tossa Special (BTS):

• Uniform golden or reddish color
• Finest texture
• Very strong
• Very good luster
• Clean cut and well hackled
• Completely free from any defects.

Bangla Tossa-A (BT-A) : 

1

• Uniform sliver grey to golden color
• Fine texture
• Strong and good luster
• Clean cut and well hackled
• Completely free from any blemish.

2.

• Uniform light golden to reddish color
• Fine texture
• Strong and good luster
• Clean cut and well hackled
• Completely free from any blemish.

Bangla Tossa-B (BT-B):

1.

• Light to medium grey color
• Sound clean
• Good texture
• Average luster
• Clean cut and well hackled
• Free from any defects

2.

• Light grey or reddish excluding dark gray color
• Sound clean
• Good texture
• Average luster
• Clean cut and well hackled
• Free from any defects

Bangla Tossa-C (BT-C):

• Mixed colors
• Average strength
• Occasional bark and soft specks allowable
• Free from runners
• Slightly croppy and gummy tops permissible
• Well cut and hackled but free from black root ends.

Bangla Tossa-D(BT-D):

• Mixed colors
• Average strength
• Occasional bark and specks allowable
• Free from runners
• Croppy and gummy tops permissible
• Rough cut and hackled
• Free from black root ends
• Any color
• Any strength but free from unretted jute
• Stick and perished fibers
• Rough cut and hackled bark and hard Centre permissible

Kutcha grading of Raw Jute:

Raw jute from which roots have not been cut.

Kutcha bales are graded as follows-

• Tops
• Middle
• Bottoms
• B-bottoms
• C-bottoms
• X-bottoms

Tops:

• Very strong jute fibers
• Excellent color and luster
• Free from all defects
• Cutting not more than (White 15% Tossa 10%)

Middle:

• Strong sound jute fibers
• Average color and luster
• Free from all specks runners and harsh crop end (White 25% Tossa 15%)

Bottoms:

• Sound fibers
• Medium strength
• Free from all hard centered jute (White 30% Tossa 20%)

B-bottoms:

• Sound fiber
• Medium strength
• Not suitable for a higher grade(White 35% Tossa 25%)

C-bottoms:

• Medium strength
• Any color
• Free from runners and choppiness.

X-bottoms:

• Weak, harsh jute
• Free from tangled jute and stick

Habijabi:

• Tangled jute
• Free from any dust and cuttings

Classification of raw jute fibers according to the quality
(Geographical distribution according to Bangladesh):

• Jat
• District
• Northern

Jat:

• Jat is the finest quality jute with firm
• It has good color and length
• It has good luster
• This type of jute fiber grows in the district of Mymensingh, Dhaka and Comilla.

District:

• District jute is close to jat in quality.
• The Jute fiber is not uniform in textures and strands
• Its color varies from light cream to dull grey
• Its length is shorter.

There are two types of District raw jute fibers. They are-

• Hard district
• Soft district

Hard district: The hard district jute fiber is better than the soft district.It mainly grows in the district of Faridpur

Soft district: This type of jute fiber grows in the district of Noakhali, Pabna, Barisal, Jessor, Khulna, Sylhet, Lower Comilla, Chittagong, and some part of Dhaka.

Northern:

• Northern Raw Jute is of somewhat inferior quality.
• The Raw Jute fiber is dull-colored fluffy hairy and barky
• Generally medium length and weak.
• This type of jute grows in District of Rangpur, Dinajpur, Bogra, and Rajshahi.