Fluorescent whitening agent with slightly violet white shade for polyamide, wool, silk, cellulosic fibers and their blends in all stages of processing. Versatile application by exhaust and continuous proesses. Fluorescent whitening agent with slightly violet white shade for polyamide, wool, silk, cellulosic fibers and their blends in all stages of processing. Versatile application by exhaust and continuous proesses.

Properties

1. Chemical constitution: Distyrl biphenyl derivative
2. Ionic character: Anionic
3. Physical form: Yellow power
4. Storage stability: Taiwhite NFW T 450% us stable for 5 years when properly Stored in closed containers at 20
5. PH stability: PH 1-12
6. Hard water: Not stable
7. Peroxide bleach Very good stability
8. Reduction bleach (sodium dithionite): Very good stability
9. Chlorite bleach: Not stable
10. Ecology/toxicology: The usual hygiene and safety rules for handing chemicals should be observed in storage, handing and use. The product must not be swallowed.

Features

1. High affinity for polyamide, wool and silk; excellent build-up
2. Very high and brilliant white maximum
3. Low to moderate affinity for cellulosic fibers
4. Very goo d levelness from end to in continuous processes. Out s tanding leveling properties in exhaust and wash whitening process.
5. Very good stability to reducing agents and hydrogen peroxide.
6. Discontinuous reductive or oxidative Bleaching can be carried out Simultaneously with the whitening process. Suitable for incorporation in print pastes for white discharges.

Application

Taiwhite NFW T 450% must be applied from soft water or in presence of a suitable complexing a gent.

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Fluorescent whitening agent for acrylic and modacrylic fibers. Suitable for exhaust and pad application.

Properties

1. Appearance: pale brown liquid
2. Ionic activity: cationic
3. Main component: benzimidazole derivative
4. Storage: good storability
5. Fluorescent: Brilliant, bluish violet
6. Stability:
   

   Sodium chlorite bleach	very good
   Peroxide bleach, pH< 6.5	very good
   Reduction bleach, pH< 6.5	very good
   hard water	very good
   acids	very good
   alkalis	not stable

   (Note for application in bleach baths)

7. Fastness properties
   

   Light	4-5
   Water	5
   Washing 50℃	5
   Chlorite bleach	5
   Peroxide bleach	5
   Reducing agents	5

Features

1. Excellent fastness
2. Very good build-up and levelling properties.
3. It can be used together with cationic products.

Application

1. By exhaustion from acid baths, with or without sodium chlorite and from acid peroxide bleach liquors.
2. Continuously by pad steam, acid, and pad-roll methods.

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