| Characters：Green glazing crystal, soluble in cold water and easily soluble in alcohol. |
| Quality standard GB 1644—28 |
Index name |
Index |
Apperance strength，separated coloured light impurity content insoluble in water，% moisture content，% |
green glazing crystal 100±3 of standard products similar to standard products ≤0.5 ≤6 |
|
| Absorption curve according to the regulation method in HGB2141—61 |
Wave lengthλ，nm |
440 |
420 |
440 |
460 |
480 |
500 |
520 |
540 |
Optical densityD |
0.898 |
1.199 |
1.034 |
0.220 |
0.098 |
0.233 |
0.483 |
0.943 |
Wave lengthλ，nm |
560 |
580 |
600 |
620 |
640 |
660 |
680 |
700 |
Optical densityD |
1.291 |
1.322 |
1.318 |
1.278 |
1.245 |
1.068 |
0.428 |
0.139 |
|
| Use：Used for dyeing in silk, wood and others, and used in leather dyeing, solvent dope 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 |
2 |
3 |
3～4 |
3～4 |
3 |
3～4 |
2～3 |
4～5 |
4 |
3～4 |
2 |
4～5 |
1 |
|
| Colour fastness(grade) in acrylic fibers： |
Solarization |
Perspiration |
Soaping |
Friction |
Ironing |
Dry cleaning |
Water leaching |
dry |
wet |
4～5 |
4
|
4～5
|
4 |
4 |
4 |
4 |
4～5 |
|
