Chemical & Physical Data:
Appearance: white powder
Solid content: 95-98%
pH: 5.0-7.0 (1%)
DOWELLATOL CR6-S is a reducing agent which can restrain formation of Cr6+ and reduce Cr6+ to Cr3+.
DOWELLATOL CR6-S is mainly used after top dying and washing at the end of the retanning process.
Wash and drain. In a new float, 100% water 40℃,
2%-3%DOWELLATOL CR6-S, pH=3.5-4.0, run for 40-60min, drain without washing.
DOWELLATOL CR6-S may slightly influence the colour of dyed crust.
2% DOWELLATOL CR6-S is also recommended to use in dyeing stage or after fatliquoring before fixation. Top dyeing could be done to adjust the shade.
25kg double-deck plastic bag
1 year storage in sealed original package at 5-35℃. Non-dangerous chemical.