Formic acid to adjust pH to 5.5 |
: |
Enter the material at 60 Deg C.
Raise the temp. to boil in 30 minutes.
Carry out dyeing, for 1 to 1.5 hours
After dyeing, the traces of carrier can be removed by treating the goods with
- 1 gm/lit of Sodium Hydrosulphite
- 2 gms/lit of caustic soda of 70 Deg TW. |