Carrier Method
i.
Carrier is required, no thickener is used
ii.
Lower dyeing temperature (80-100°C)
iii.
Less protection is required
iv.
Costly as carrier is used
v.
Less bright shade
vi.
Toxic and unhygienic process
vii.
More shrinkage
viii.
Process is batchwise, so production less
ix.
Removal of carrier difficult and alkali is used
for it
x.
No change in shade
High temperature method
i.
Neither carrier nor thickener is used
ii.
High temperature of dyeing (105-140°C)
iii.
More carefulness is needed
iv.
Not so costly
v.
More bright shade
vi.
Process is batchwise, so production less
vii.
Non toxic and hygienic process
viii.
Less shrinkage
ix.
Not applicable\
x.
No change in shade
Thermosol method :
i.
Carrier is not used,bt thickener is require is
required
ii.
Very high temperature dyeing (180-220°C)
iii.
Very much carefulness is required
iv.
Costly as special machine for dyeing is needed
v.
Very bright shade is required
vi.
Process is continuous, so production higher
vii.
Non-toxic abd hygienic process
viii.
Less shrinkage
ix.
Not applicable
x.
Change in shade