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Formaldehyde Dye-Fixing Agent
| Key Features | Benefits |
|---|---|
| Formaldehyde free
|
Suitable for Oekotex and baby wear
|
| Minimum effect on shade and light fastness
|
Rematching not require
|
| Handle
|
No adverse effect on handle of fabric |
| Versatile
|
Suitable for exhaust and pad application
Combined dyefixing and finishing possible |
| Physical appearance
|
Colourless to yellow liquid
|
| Ionic nature | Cationic
|
| pH of 1% solution | 6 +/- 1
|
| Miscibility | Miscible with water
|
| Compatibility | Compatible with cationic and nonionic products
|
| Stability
|
Stable to dilute acids and unstable to dilute alkalies
|
Exhaust Process :
After thorough soaping to remove hydrolysed reactive dyestuff from dyed or printed material, treat in a fresh bath with below recipes :
If finishing with cationic softener is to be carried out in the same bath, it is recommended to first carry out dyefixing with 1/3rd quantity of required Saradye-FN under above conditions followed by addition of cationic softener in the same bath under
followed by addition of cationic softener in the same bath under the same conditions for 15-20 mins. followed by addition of remaining quantity of Saradye-FN in the same bath and treatment to be carried out for further 15-20 min.
Continuous process :
Removal of a dye-fixing agent from dyed fabric:
Take 0.5-1% Celldet-R and treat the dye-fixed fabric at 95 deg. C for 20-30 min and drain the bath.
Cold wash for 10 min and drain.
Adjust the bath pH 4.5-5.0 using acetic acid and run for 5 min to ensure the
Treat at 85-90 deg. C for 20-30 min and drain the bath.
85-90 deg. C for 20-30 min and drain the bath.Storage : Store in cool, ventilated shed away from heat and direct sunlight. Storage temperature should not exceed 35 deg C.Close lids firmly to avoid contact with air and moisture.
Shelf Life : 9 months from the date of manufacturing, if stored under controlled conditions.
The above information is given in good faith and is without warranty
