Saradye-FN | Formaldehyde Dye-Fixing Agent
Saradye-FN is a polyamine-based non-formaldehyde cationic dye-fixing agent for reactive dyes and direct dyes. Saradye-FN improves wash fastness, fastness to perspiration and water contact fastness. Saradye-FN shows a minimum effect on light fastness and on the shade of the treated material. Saradye-FN can be applied by exhaust as well as pad application.
||Suitable for Oekotex and baby wear
|Minimum effect on shade and light fastness
||Rematching not require
||No adverse effect on handle of fabric|
||Suitable for exhaust and pad application
Combined dyefixing and finishing possible
||Colourless to yellow liquid
|pH of 1% solution||6 +/- 1
|Miscibility||Miscible with water
|Stability||Stable to dilute acids and unstable to dilute alkalies
|Compatibility||Compatible with cationic and nonionic products
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 dye-fixing with 1/3rd quantity of required Saradye-FN under above conditions
followed by addition of cationic softener in the same bath under
the same conditions for 15-20 mins. followed by addition of a 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 at85-90 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 : 8 months from the date of manufacturing, if stored under controlled conditions.
The above information is given in good faith and is without warranty