Chemicals

Optical Brightening Agent BA-550

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Main composition

C.I.No:113

CAS No:4193-55-9

Molecular mass:960

Formula:C40H42N12O10S2Na2

Type of product:Mixture substance

Technical index

Appearance:Yellow-greenish Granule

pH Value:6.0~8.0

E Value(±20):550

Ionic character:anionic

Performance and Features

1.Convenient in application, suitable for continuous addition。

2.Good fluorescent whitening performance in the pulp, surface sizing and coating processes.

Application Methods:

1.Convenient in application, diluted with water.

2.It can be directly added into the paper pulp, but in the course of adding, should avoid adding together with the other cationic chemicals or directly contact, mix. Adding in the pulp, the proportion based on weight of between OBA and absolute dry paper pulp is 0.03％～1.0％。

3.It can be used in cotton, dosage: 0.05-0.4% (o.w.f.); Liquor ratio: 1:10-30; Temperature: 80℃~100℃；30~60min ;

Packaging and Storage

Packaging with 25kg bag, or special packaging according to customers, more than two years of stability，store at the room temperature.

Optical Brightening Agent BA-550

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