Vat Dyes ———
Navy Blue VB(Blue DB)
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
Navy Blue VB (Blue DB)
-
7-8
3-4
4-5
3-4
4-5
4
2-3
3-4
2-3
IN
*Dyeing depth 1%,8%(o.w.f)
.CH-Change of shade
.CO-Staining on cotton
service
