Vat Dyes————
*Direct black DB
Reduced dyes name
Tinctorial pattern
CAS No.
Colour fastness
1:1 standard depth
Dyeing method
Dyeing depth
(o.w.f)
0.5%
insolation
soaping
95°C
perspiration
abrasion
ironing
chlorine bleaching
4.0%
CH
CO
CH
CO
dry and wet
*Direct black DB
Bk38
7
3-4
4-5
3
4-5
3-4
2-3
4
3-4
A method IN
Note: *Dyeing depth 1%,8%(o.w.f)
.CH-original sample changing
.CO-white staining
service
