1.Properties:
OBA 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.

2.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.

3.Specifications:

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