Wool Grading Chart

Wool Grades
Bradford Count                         Micron                                 crimps per in.
finer than 80’s                              17                                         20+
80s                                               18                                         18-20
70s                                               19                                         15-18
66s                                               20                                         13-15
64s                                               21                                         10-13
62s                                               23                                           9-11
60s                                               24                                           7-10
58s                                               26                                           6-8
56s                                               27                                           4-6
54s                                               29                                           4-5
50s                                               30                                           2.5-4
48s                                               32                                           2-4
46s                                               33                                           -----
44s                                               35                                           -----
40s                                               37                                           -----
36s                                               39                                           -----
Exotic Fiber Grades
Fiber type                               Micron                                    Staple length
Alpaca                                        26-27                                      4-12in
Llama                                         28-30                                    10-12in
Camel dehaired                         20                                            1-4in
Guanaco                                    15-16                                       2in
Vicuna                                        12-14                                      1in
Mohair adult                                30-55                                   up to 10in
Mohair kid                                   25-26                                      4-6in
Angora rabbit                              12-15                                      2-3in
Cashmere dehaired                   13-16                                      1-3in
Chiengora varies by breed of dog, and undercoat versus outercoat
Tussah silk                                 20-30                                      2-3in
Mulberry silk                               12                                           1.5in
Quiviut dehaired                         10-13                                      1.5-3in
Buffalo dehaired                         12-29 averaging around 18     1.5in
Pygora                                        18-28                                      1-6in
Cashgora                                    17-20                                      4-6in
Note: the above chart can vary. Fiber grades can change by local and individual selection and yearly due to feeding, health & weather
conditions.