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Indigo Blue 94% (Vat Blue 1)
Names of Vat Dyes Colour Sample C.I.No.Vat Colour fastness
1:1 Standard depth
Dyeing method
Dyeing depth(o.w.f) 0.5% Light
(xenon)
Washing
95°C
Perspir
-ation
Rubbing Hot pressing Hypochi
-orite
4.0% CH
CO
CH
CO
Dry
Wet
Indigo B1 3-4 2
4
4 1-2
1
4 2 IK
                       *Dyeing depth 1%,8%(o.w.f)
                       .CH-Change of shade
                       .CO-Staining on cotton