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| Acid Red B |
| Alias：Acid Red B; Azo Rubine (ATL); Carmoisine (CNC) |
| Color index：C.I. Acid Red 14 (14720)；C.I. Food Red 3 (14720) |
| English name：Acid Red B; Azo Rubine (ATL); Carmoisine (CNC); Shangdacid Red B (SHD); Solar Rubine (NSK) |
Structural formula： |
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Process flows ： |
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| Characters：Dark red powder and soluble in water and alcohol to become red solution. |
| Quality standard GB 1642—82 |
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Index name |
Index |
Apperance coloured light strength， moisture content，% water insoluble，% fineness（80 meshes residual content），% Color fastness(grade) in wool fabrics
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dark red equal powder similar to standard products 100±3 of standard products ≤5 ≤0.5 ≤5 according to standard regulation
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| Use：mainly used in wool fabric dyeing, and still used in leather, paper, soap, wood, pharmaceutical, biology and cosmetic dyeing. |
| Application performance：Color fastness(grade) in wool fabrics： |
Solarization |
Soaping |
Water leaching |
Perspiration |
carbonization |
Roll boiling |
Friction |
Dry cleaning |
Ironing |
fading |
wool viscidity |
fading |
wool viscidity |
fading |
wool viscidity |
fading |
wool viscidity |
dry |
wet |
4～5 |
3～4 |
4～5 |
4 |
4 |
2 |
1～2 |
4 |
4～5 |
2 |
4～5 |
4 |
4 |
4 |
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