DANT 8005 is to be used in all stages of leather processes to
Quantities to be applied :
0.1-0.2% DANT 8005 to be added to the preserving
pickle , (calculated on the pelt weight).
0.05-0.1% DANT 8005 to be added for the preserving of chrome leather , when
short-term storage is required. Addition should be made one hour before the
finish of the chrome tanning process.
For long term storage, it is advisable to add 0.05-0.2% DANT 8005 at the
beginning of the chrome tanning and 0.1-0.3% DANT 8005 just one hour before
finishing the chrome tanning process.
For preservation of wet blues, the leather is to be treated as follows :
Wash or rinse.
0.1-0.3% DANT 8005 - drumming for 20 min
0.1-0.2% formic acid - drumming for 10 min
Discharge float without rinsing.
Re-curing of wet blues should be made , if wet blues have been
stored beyond the originally estimated storage time or, if they are dispatched
after a prolonged period of storage.
0.1-0.5 g/l DANT 8005 suitable for preservation of vegetable tanning liquors.