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| Product Name: |
Optical brightener NFW-H (C.I.351)
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| Supply Ability: |
100mt |
| Related proudcts |
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| Specifications |
NFW-H(C.I. 351) |
| Price Term: |
FOB, CNF, CIF |
| Port of loading: |
any port |
| Minimum Order |
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| Unit Price: |
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OPTICAL BRIGHTENER NFW-H
Uses:
Fluorescent whitening agent with slightly greenish white shade for polyamide, wool, silk, cellulosic
fibers and their blends in all stages of processing.
Versatile application by exhaust and continuous processes.
Characteristics Benefits
-High affinity for polyamide, wool and silk; excellent build-up.
-Low to moderate affinity for cellulosic fibers.
-Very high stability to reducing agents and hydrogen peroxide.
Properties
-Very high and brilliant white maximum.
-Very good levelness from end to end in continuous processes. Outstanding leveling properties in exhaust and wash-whitening process.
-Discontinuous reductive or oxidative bleaching can be carried out simultaneously with the whitening process.
Suitable for incorporation in print pastes for white discharges.
Chemical constitution: Distyryl biphenyl derivative
Ionic character: Anionic
Physical form: Yellow powder
Storage stability: NFW 450 % is stable for 5 years when properly stored in
closed containers at 20℃.
Ecology/toxicology: The usual hygiene and safety rules for handling chemicals should be observed in storage, handling and use. The product must not be swallowed.
For further information, please consult existing safety data sheet.
Stability
PH stability : pH 1 - 12
Hard water : Not stable
Crosslinking catalysts : Not stable
Peroxide bleach : Good
Reduction bleach Very good
(sodium dithionite, -bisulphite)
Chlorite bleach Not stable
Chlorine bleach Not stable
Alkali Very good
Acid Very good
* in soft and demineralized water
Application
OBA NFW450 must be applied from soft water or in presence of a suitable complexing agent.
Polyamide, wool, silk
Exhaust process: From slightly acid baths, preferably in presence of stabilized sodium dithionite; can also be a |
| Company: |
Shaoxing Chenhao Chemicals Co., Ltd.
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| Contact: |
Ms. Shary Lian |
| Address: |
Shunjie Road |
| Postcode: |
312300 |
| Tel: |
+86-575-82212544 |
| Fax: |
+85-575-82009612 |
| E-mail: |
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