≥1 piece |
Items
|
Average particle size
|
Silk powder 40
|
40 micron
|
Silk powder 10
|
10 micron
|
Silk powder 5
|
5 micron
|
Silk powder 2
|
2 micron
|
Nano –Silk powder
|
350 nm
|
Items
|
Index
|
Appearance
|
White or slightly jasmine powder
|
Total Nitrogen
|
≥14.5%
|
Weight loss on drying
|
≤6.0%
|
Residue on ignition
|
≤4.0%
|
pH value
|
5.0-7.0
|