| Characters：dark green glazing equal powder or flake, and soluble in cold and hot eater. Soluble in alcohol to become violet. |
| Quality standard HG2—183—80 |
Index name |
Index |
Apperance strength，separated coloured light impurity content insoluble in water，% moisture content，% |
dark green glazing equal powder or flake 100±3 of standard products similar to standard products ≤1.5 ≤5.0 |
|
| Absorption carve with 10.00mm of solution thickness according to regulation in HGB2141—61 |
Wave length λ，nm |
420 |
440 |
460 |
480 |
500 |
520 |
540 |
560 |
580 |
600 |
620 |
640 |
660 |
680 |
Optical density D |
0.026 |
0.055 |
0.097 |
0.195 |
0.375 |
0.613 |
0.832 |
0.960 |
1.180 |
0.966 |
0.368 |
0.104 |
0.035 |
0.022 |
|
| Use：This product is used in silk dyeing, wool dyeing, and used in leather, paper, hemp dyeing and others. |
| Application performance：Colour fastness(grade) in cotton： |
Solarization |
Soaping |
Water leaching |
Perspiration |
Ironing |
Friction |
Acid and alkali resistance |
fading |
staining |
fading |
staining |
fading |
staining |
dry |
wet |
sulphuric acid |
ethylic acid |
sodium carbonate |
1～2 |
4 |
4 |
4 |
3～4 |
4 |
3～4 |
4～5 |
4～5 |
3 |
1 |
4 |
3～4 |
|
| Colour fastness(grade) in acrylic fibers： |
Solarization |
Perspiration |
Soaping |
Friction |
Ironing |
Dry cleaning |
dry |
wet |
2～3 |
4
|
4
|
4 |
2～3 |
4～5 |
4～5 |
|
