’RGB’ based dyes react with hydroxyl group of cellulose and form firm, covalent linkages. These dyes are applied by exhaust method at temperature between 40°C-60°C. These dyes have good solubility even in alkali medium, good fastness properties and there great resist and discharge properties. Discharge printing can be done very effectively.
| Pentactive | 2% | 4% | Suitability | Solubility | Fastness Properties | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dischargebility | Hypochlorite Bleach |
With at 30 C Plain Water With at 30 C G/L. Salt |
Light | Rubbing | Washing | Persp-iration | ||||
| 0.25% 0.30% |
Dry Wet |
Shade Change Stain |
Alkaline | Acidic | ||||||
| Yellow RGB | Medium | H | 150 | 4 5 |
4-5 4 |
4-5 4-5 |
4-5 4 |
4-5 4-5 |
||
| Orange RGB | Medium | H | 100 | 4 5-6 |
4-5 4 |
4-5 4-5 |
4 4-5 |
4 4 |
||
| Red RGB | Poor | H | 100 | 4 5 |
4-5 3-4 |
4-5 4-5 |
4-5 4-5 |
4-5 4-5 |
||
| Blue RGB | Fair | M | 100 | 3 5 |
4-5 4 |
4-5 4-5 |
4-5 4 |
4-5 4-5 |
||
| Navy Blue RGB | Fair | H | 100 | 3 4-5 |
4-5 4-5 |
4-5 3-4 |
4-5 4-5 |
5 4-5 |
||
| Deep Black RGB | Good | M | 150 | 3 4 |
4-5 3 |
4 4-5 |
4-5 4-5 |
4 4-5 |
||
| Yellow W3R | Medium | M | 100 | 3 4 |
4-5 3-4 |
4-5 4 |
5 4 |
5 4 |
||
| Orange W3R | Medium | H | 100 | 3 4 |
4-5 3-4 |
4-5 4 |
5 4 |
5 4 |
||
| Red W3R | Medium | H | 100 | 2 3 |
4-5 3-4 |
4 4-5 |
4 4 |
4 4 |
||