True reactive dyes which do not require alkali for fixation.
Ideal for blend dyeing such as acrylic/cotton (using Itocryl CD dyes) giving a one bath system.
ITOREACT Dyeing Method | |
Recipe : | x% Dye |
0.5g/l Itoquest LJ3-12 | |
y g/l Salt | |
Buffer to pH7 | |
Method : | Heat to 40ºC. |
Add dyes, chemicals and salt. | |
Heat at 2ºC/min to 80ºC and hold for 20 minutes. | |
Heat at 2ºC/min to 100ºC. | |
Run for 40 to 60 minutes at 100ºC. | |
Cool at 2ºC/min to 60ºC. | |
Drop liquor and rinse, acid rinse, soap at 100ºC | |
Fastness Test Methods
The fastness properties were tested at 1/1 standard depths.
The fastness is given for untreated undefined.
Light Fastness | ISO 105-B02 |
Wash Fastness | ISO 105-C02 |
Symbols Used In Fastness Columns
CS | Change of shade |
S | Staining on same fabric |
Salt | |||
% Dyestuff | Cotton | Viscose | |
<0.1 | 10 | 5 | |
>0.1 – 0.3 | 20 | 10 | |
>0.3 – 0.5 | 30 | 15 | |
>0.5 – 1.0 | 40 | 25 | |
>1.0 – 2.0 | 50 | 35 | |
>2.0 – 4.0 | 70 | 45 | |
>4.0 | 90 | 60 |
ITOREACT | Fastness Properties | |||||
Sol | Light | Wash 70ºC | Affinity | |||
Dyed at 1%, Navy at 2% | 50ºC | 1/1 | CS | S | ||
Yellow PC4G | 70 | 5< | 4/5 | 5 | C | |
Yellow PCML | 20 | 5 | 4/5 | 4/5 | B | |
Golden Yellow PCGL | 20 | 5< | 4/5 | 4/5 | B | |
Brown PCAL | 50 | 4/5 | 4/5 | 4/5 | B | |
Scarlet PCGL | 70 | 4/5 | 4/5 | 4/5 | C | |
Red PC3B | 15 | 4 | 4/5 | 5 | B | |
Turquoise PC2G | 50 | 4 | 4/5 | 4/5 | C | |
Blue PCFL | 35 | 4 | 4/5 | 5 | A | |
Blue PCBL | 20 | 5 | 4/5 | 5 | C | |
Blue PCMG | 30 | 4/5 | 4/5 | 4 | B | |
Navy PCR | 35 | 4 | 4/5 | 5 | A |