Optical Brightener BBU

CAS.NO

16470-24-9

Molecular Formula

C40H40N12O16S4Na4

Executive standard

HG/T3727-2003

Application

1.Used for cotton fiber and glue fiber. 2.Used in the syrup of discharge pattern of printing color. 3.Used in the paper pulp. 4.Used in the process of surface gluing. 5.Used in the process of coating.

Application Method

1.Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5~10g/l 2.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: 0.1~1.4% on dry white pigment.

3.Addition to the stock: adding without dilution. Usual dosage: 0.05~1.2% on dry pulp. For actual application, the process should be adjusted according to correspondent sample-test.