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Optical Brightening Agent BBU-D

Main Chemical Composition: Diphenylethylene bistriazine derivative
Formula: C40H40N12O16S4Na4
Molecular Weight: 1165
C.I. Number: 220
Appearance: yellow  powder
Strength: 100%
Ionic character: anionic
Application: Mainly be used in whitening of cotton fabric, polyamide fabrics and pulp. And also used to increase brightness of light-colored fabrics.
Property:  1.Convenient in application,diluted with water perfectly, suitable for continuous addition.
2.Good acid stability.
3.Great performance in size press and pigment coating mixtures
Treating process: 1.Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.1~3g/L on dry white pigment.
2..Addition to the stock: adding without dilution. Usual dosage: 0.01~0.4% on dry pulp.For actual application, the process should be adjusted according to correspondent sample-test.
3. Addition to the calico whiting. Usual dosage: 0.01~0.4%. 80~100℃dip-dye 30~40minutes.

Packing: 25kg paper box

It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.

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