Vat Dyes ———
Blue RSN
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
Blue RSN
B4
7-8
4-5
4-5
4-5
4-5
4-5
4
4-5
1
IN
*Dyeing depth 1%,8%(o.w.f)
.CH-Change of shade
.CO-Staining on cotton
service
