FLUORESCENT WHITENER 4BK
[Subordinate Classification:Fluorescence Whitener] [Release Time:2012-11-23] [Reading Times:] [Return]
| FLUORESCENT WHITENER 4BK
CAS#: 27344-41-8 |
|
Technical index:
| Item | Index | |
| Appearance | Yellow or greyish white powder | |
| Color tone | Blue-purple | |
| Fluorescence intensity (Cent) | 100 (Compared with standard product) | |
| Moisture | ≤10% | |
|
≤10% |
Performance:
It’s anion, mainly used in whitening of cotton and blending. It has good acid and alkali resistance, has high fluorescence tone.
Application process:
Whitening of bleaching cotton:
（1）Exhaust dyeing：4BK：0.05~0.6%（o.w.f） Na2SO4：5~20g/L
???? Bath ratio：1：10-30? Dyeing temp：20℃-100℃? Duration time：20-30 min
（2）Oxygen bleaching：4BK：0.05~0.6%( o.w.f)
???? H2O：2-10g/L ?NaOH：1g/L ?NaSiO3：2.5g/L ??Bath ratio：1：10-30?
Dyeing temp：90℃-100℃ Duration time：20-30 min
Package, storage, and transport
Carton pail; net weight: 25kg; or packaging according to clients’ demand.
Keep from sunshine, dampness; two years valid period.