ITOSPERSE ECF dyes are a compact range of ECO friendly disperse dyes suitable for high performancedyeing of di-acetate and tri-acetate fabrics.
| ITOSPERSE ECF Dyeing Method | |
| Recipe : | x% Dye |
| 0.5g/l Itoquest LJ3-12 | |
| 0.5g/l Itolube 30D | |
| 0.5g/l Itosolt LJ550 | |
| Acetic Acid to give pH 4.5 | |
| Method : | Heat to 50ºC. |
| Add chemicals, run for 5 minutes. | |
| Add dyes, run for 10 minutes. | |
| Check pH (4.5 – 5). | |
| Heat at 2ºC/min to exhaustion temperature. | |
| (di-acetate – 80-90°C) | |
| (tri-acetate – 110-115°C) | |
| Run for 40 to 60 minutes. | |
| Cool at 2ºC/min to 80ºC. | |
| Drop liquor and rinse | |
| Reduction clear as required | |
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 |
| Perpiration Fastness | ISO 105-E02 |
Symbols Used In Fastness Columns
| AC | Staining on acetate |
| CS | Change of shade |
| ITOSPERSE | Fastness Properties | ||||||||
| Fastness results @ | Light | Wash 50ºC | Perspiration | ||||||
| Acid | Alkali | ||||||||
| Dyed at 1%, Navy and Black at 3% | 1/1 | CS | AC | CS | AC | CS | AC | ||
| Yellow ECF | 1.5 | 7 | 5 | 4/5 | 5 | 4/5 | 5 | 4/5 | |
| Orange ECF | 0.7 | 6-7 | 5 | 4 | 4/5 | 4/5 | 4 | 4/5 | |
| Scarlet ECF | 0.7 | 6-7 | 4/5 | 4 | 4 | 4 | 4 | 4/5 | |
| Crimson ECF | 0.7 | 5 | 5 | 4 | 4/5 | 4/5 | 4/5 | 4 | |
| Royal Blue ECF | 1.4 | 5-6 | 5 | 3 | 5 | 4 | 5 | 4 | |
| Navy ECF | 2 | 5 | 4 | 3 | 4 | 4 | 4 | 4 | |
| Black ECF | 4 | 5 | 4 | 3 | 4 | 4 | 4 | 4 | |