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