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Fluorescent Whitening Agent ER
Fluorescent Whitening Agent KOB
Fluorescent Whitening Agent FP
Fluorescent Whitening Agent OB
Fluorescent Whitening Agent OB-1
Fluorescent Whitening Agent KCB
Fluorescent Whitening Agent KSN
Fluorescent Whitening Agent PF
Fluorescent Whitening Agent EBF...
Fluorescent Whitening Agent NT-1
Fluorescent Whitening Agent NT-5
Fluorescent Whitening Agent DT...
Fluorescent Whitening Agent NT-3
Fluorescent Whitening Agent VBL
Fluorescent Whitening Agent RSB
Fluorescent Whitening Agent VBA
Fluorescent Whitening Agent NT-8...
Fluorescent Whitening Agent VBU
  Today is:
Fluorescent Whitening Agent VBU
Properties:
Fluorescent Whitening Agent VBU,also called acid-resistant Whitening Agent VBU,is a derivative of the diphenylethylene bistriazine.It has an appearance of light yellow powder,a nature of anion and an acid-and alkali-resistance of PH 2-10.This shitening agent can be used in a bath together with anionic or non-ionic surfacant,anionic dyes and synthetic resin.
Applications:
Having a rather strong acid-and chlorine-resistance,VBU is mainly used for whiteing while cotton or viscose products and suitable for one-bath whitening of cotton fabric in resin finishing liquor.It can be used for whitening knitted undershirts to prevent them from being yellowed by sweat stain.
Amounts required:
Item
Indices
Appearance light yellow even-sized powder
Whitening intensity equivalent to the 100 points of the standard agent
Hue slightly different from the standard agent
WCIE(whiteness different between VBU and the standard agent) ≥-3.0
Moisture content ≤5%
Content of insoluble impurities ≤0.5%
Fineness (quantity of residue on sieve having 180um meshes) ≤10%
Packaging and storing:

Packaged in cardboard barrels,20kg or 25kg each.Stored in cool and dry place.

 
 
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