1. Properties:
Fluorescent Whitening Agent VBL is one of the diphenylethylene bistriazine compounds and chemically called 4,4'-bis [(hydroxyethylamino-6-anilino-1,3,5 - triazin-2yl) amino] diphenylethylene-2, 2-sodium disulfonate. It has an appearance of light yellow even-sized powder and is soluble in soft water which is more than 80-fold in
quantity.
2. Applications:
Fluorescent Whitening Agent VBL is suitable for whitening cellulose fabric, paper and viscose product. It has a good affinity for cellulose fiber and is capable of whitening the bleached cotton fabric and brightening the light-colored or printed fabric. It is also capable of remarkably increasing the whiteness of the fabric to be dyed so as to improve its appearance. VBL can be added into soap or detergent so as not only to increase the
whiteness of the soap or detergent, but also increase the whiteness of the washed fabric.
3. Directions for use and dosage:
VBL's dosage should be proper. Overdosage will decrease the whiteness of the material treated and even make it yellow. When used of pad- dyeing, a dosage of 2~3g/L is
recommended.
4. Specifications:
5. Packaging and storing:
Packaged in cardboard barrels, 25kg or 50kg each. Stored in dry room.
5. Packaging and storing:
Packaged in cardboard barrels, 25kg or 50kg each. Stored in dry room.