Reactive dyes————
Black R-2BR 100%
R type reactive dyes
Colour fastness
Solubility
≥50°C
g/L
Dye name
tinctorial pattern
3%(o.w.f)
lightfastness
(xenon lamp)
wash resistance
95°C
CH
CO
perspiration resistance
CH
CO
abrasion resistance
dry and wet
hot pressing resistance
(ironing)
200°C
Black R-2BR 100%
3-4
3-4
3-4
3-4
3-4
4-5
2-3
4-5
120
Note: 1. CH-original sample changing；CO-cotton fabric staining.
2. Dyeing depth for black dye is 6%.
service
