ITOFIX VSRR dyes are a range of dyes based on vinyl sulphone chemistry.
Excellent on tone compatibility with good leve dyeing capabilituies, suitable for excaust, cold pad batch and continuous applications methods.
ITOFIX VSRR Dyeing Method | |
Exhaust | |
Recipe : | x% Dye |
0.5g/l Itoquest LJ3-12 | |
y g/l Salt | |
z g/l Alkali | |
Method : | Heat to 40ºC. |
Add chemicals and salt, run for 10 minutes. | |
Heat to 50ºC. | |
Add dyes, run for 30 minutes. | |
Add alkali over 30 minutes. | |
(by portions or progressive dosing) | |
Run for 40 to 60 minutes at 50ºC. | |
Drop liquor and rinse, acid rinse, soap at 100ºC. | |
Cold Pad Batch | |
Recipe : | x g/l Dye |
50g/l Itoprep MSS | |
x/5+8 cc/l Caustic Soda 70TW (x is dye value in g/l) | |
0.2g/l Itowet LJ10 | |
Method : | Make dye solution up to 4/5 total volume. |
Make chemical solution up to 1/5 total volume. | |
Mix dye and chemical solutions and pad immediately. | |
Batch long test for 16-24 hours | |
(Quick test 30 mins at 60ºC). | |
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 |
Perspiration Fastness | ISO 105-E02 |
Water Fastness | ISO 105-E01 |
Symbols Used In Fastness Columns
C | Staining on cotton |
N | Staining on nylon |
W | Staining on wool |
Salt and Alkali Table | (Based on 100% strength dyestuffs) | |||
% Dyestuff | Glaubers Salt | Soda Ash | OR | Soda Ash + Caustic 70tw |
<0.3 | 10 | 10 | – | |
>0.3 – 0.6 | 20 | 10 | – | |
>0.6 – 1.0 | 30 | 15 | 5+1.0 | |
>1.0 – 1.5 | 40 | 15 | 5+1.5 | |
>1.5 – 3.0 | 50 | 20 | 5+2.0 | |
>3.0 – 5.0 | 80 | – | 5+3.5 | |
>5.0 | 100 | – | 5+5.0 | |
ITOFIX | Fastness Properties at 3% | |||||||||||
Sol | Light | Wash 50ºC | Alk Persp | Water | ||||||||
Dyed at 2% | 80ºC | 1/1 | C | N | W | C | N | W | C | N | W | |
Yellow VSRR | 100 | 4 | 5 | 5 | 5 | 4/5 | 4/5 | 4/5 | 5 | 5 | 5 | |
Orange VSRR | 100 | 4 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | |
Red VSRR | 100 | 4 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | |
Blue VSRR | 100 | 5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 |