Dye Classes For Cotton Dyeing Vats
Vat dyes are insoluble in water. They must be solubilized in a reduced state before they have an affinity for cellulose from an aqueous bath and then reconverted into the original insoluble form.
Advantages
Excellent fastness
Bright shades possible
Dyes at low temperatures
Disadvantages
Limited color range
Specialized dyeing technique required
Very limited styling possibilities
Offensive odor of sodium hydrosulfite
Diffiult to level
Very difficult to repair vat dyeing
Chemical Technologies Product Line
Wetter
VIRCOWET EH4
Sequestrant
VIRCOQUEST D
VIRCOSPERSE K
Dispersant
VIRCOWET EH4
Detergent
VIRCOPON BW
VIRCOSCOUR TX-207
Softener
VIRCOSOFT H-1
Depilling
VIRCO BUFFER DW-55
VIRCO QUICKSTONE HPLC
Metal Protection
VIRCO DERUSTO