Details:
Silk fibroin in powder form
Tasteless, odorless, insoluble in water
| Appearance |
White or grayish yellow powder |
| Total Nitrogen (%) |
≥14.5 |
| Weight loss on drying (%) |
≤6.0 |
| Residue on ignition (%) |
≤4.0 |
| pH value |
5.0-7.0 |
|
Grade
|
Particle diameter(µm)
|
Price($/kg)
|
|
363619-1
|
40
|
450
|
|
363619-2
|
10
|
450
|
|
363619-3
|
5
|
450
|
|
363619-4
|
2
|
450
|
