ITOFIX VSRGB dyes are a range of dyes based on vinyl sulphone chemistry.
Ideal for medium and deep shades by exhaust or cold pad batch application methods offering good repeatibility.
ITOFIX VSRGB 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%, Navy and Black at 4% | 80ºC | 1/1 | C | N | W | C | N | W | C | N | W | |
Yellow VSRGB | 100 | 5 | 5 | 5 | 5 | 5 | 4/5 | 5 | 5 | 5 | 5 | |
Orange VSRGB | 100 | 5 | 4 | 4 | 5 | 4/5 | 4/5 | 4/5 | 5 | 5 | 5 | |
Red VSRGB | 100 | 4 | 4 | 4/5 | 5 | 5 | 4/5 | 5 | 5 | 5 | 5 | |
Blue VSRGB | 100 | 4/5 | 5 | 5 | 5 | 4/5 | 4/5 | 4/5 | 5 | 5 | 5 | |
Navy VSRGB | 100 | 3/4 | 4/5 | 5 | 5 | 4/5 | 4/5 | 4/5 | 5 | 5 | 5 | |
Black VSRGB | 100 | 4 | 4/5 | 4 | 5 | 4/5 | 4/5 | 4/5 | 5 | 5 | 5 |