This type of reactive dyes has low reactivity and substantivity. As they have low reactivity, these dyes require more severe conditions for fixation of cellulosic materials. To make these dyes readily soluble, pour water of 80-85oC on powder and stir it well. When compared with cold brand dyes, the ‘H’ brand ones require high thermo fixation temperature and long steaming time for the purpose of its optimum fixation.
Re. Yellow H8G | Re. Yellow 184 | H | 70 | G | 4 | 4-5 | 5 | 4-5 | 3 | + | + | + | - | - | |
4-5 | |||||||||||||||
Re. Yellow H4G* | Re. Yellow 18 | L | 120 | G | 5-6 | 5 | 4-5 | 5 | 1 | (+) | + | + | + | + | |
6-7 | |||||||||||||||
Re. Golden Yellow HR* | Re. Orange 12 | H | 100 | F | 5 | 5 | 5 | 5 | 3 | + | + | + | + | + | |
6 | |||||||||||||||
Re. Orange H2R* | Re. Orange 13 | H | 100 | M | 3-4 | 5 | 5 | 4 | 4 | + | + | + | + | + | |
4-5 | |||||||||||||||
Re. Red PB | Re. Red 24 | H | 80 | P | 4-5 | 4 | 4-5 | 4-5 | 4 | + | + | + | + | + | |
Re. Red H8B | Re. Red 31 | H | 100 | P | 4 | 5 | 4 | 4 | 3-4 | + | + | + | + | + | |
4 | |||||||||||||||
Re. Red P3B | Re. Red 45 | H | 80 | M | 3 | 5 | 4 | 4 | 3-4 | + | + | + | + | + | |
4 | |||||||||||||||
Re. Red 6BX | Re. Red 76 | H | 60 | P | 4 | 3 | 4 | 4-5 | 2-3 | + | + | + | - | - | |
3-4 | |||||||||||||||
Re. Magenta HB | Re. Violet 46 | M | 100 | P | 3 | 4 | 4 | 4 | 1 | + | + | + | + | + | |
4 | |||||||||||||||
Re. Purple H3R | Re. Violet 1 | M | 80 | P | 5-6 | 5 | 3 | 3 | 4 | + | + | + | + | + | |
Re. Navy Blue RX | Re. Blue 59 | H | 80 | P | |||||||||||
Re. Turquoise Blue H5G | Re. Blue 25 | H | 80 | P | 4 | 4 | 4 | 4 | 3 | + | + | + | + | + | |
5 | |||||||||||||||
Re. Black HN* | Re. Black 8 | L | 60 | P | 4-5 | 4-5 | 4-5 | 4-5 | 3-4 | (+) | + | + | + | + | |
5 |
*Also available in salt free variants.
Key to Abbreviations : |
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Affinity / Substantivity on Cotton | Dischargeability : | |||||
L : | Low | G : | Good | + | Suitable | |
M : | Medium | M : | Medium | (+) | Fairly Suitable | |
H : | High | F : | Fair | – | Not suitable | |
VH : | Very High | P : | Poor |
Fastness Properties: 1 to 8 in increasing order