optical brightener BBU

optical brightener BBU

optical brightener BBU good water solubility，dissolve in 3-5 times of boiling water by volume, optical brightener BBU 300g can be dissolved per liter of boiling water, 150 g can be dissolved per liter of cold water.

Product Details

optical brightener BBU

other name:optical brightener 220,fluorescent brightenerBBU,fluorescent whitenerBBU

CAS NO.:16470-24-9

Molecular Formula:C40H40N12Na4O16S4

Molecular Weight:1165.04

Fluorescent Brightener manufacturer:Shijiazhuang Taicang New Materials Co., Ltd.

Specification:

Items	Index of quality
Appearance	Light yellow uniform powder
Fluorescent intensity（equivalent to standard E370）	100±3
Whiteness（Difference with the standard）	≥-3
Moisture	≤5%
Insoluble impurity in water	≤0.5%
Fineness（Residue on 250µm sieve）	≤10%

Fluorescent Brightener for cotton fiber

Characteristics and advantages:

1、optical brightener BBU good water solubility, dissolve in 3-5 times of boiling water by volume, optical brightener BBU 300g can be dissolved per liter of boiling water, 150 g can be dissolved per liter of cold water;

2、optical brightener BBU is insensitive to hard water and the whitening effect will not be affected by Ca+、Mg2+;

3、Resistant to peroxide bleach, including reductant（sodium hydrosulfite）bleaching agent;

4、Average acid resistance, PH＞7 is the optimum whitening condition;

5、Anionic, blue light.

Application fields:

1、optical brightener BBU Used for whitening of cotton fiber and mucilage glue fiber;

2、optical brightener BBU Suitable for white discharge printing pulp;

3、optical brightener BBU Whitening during paper pulp;

4、optical brightener BBU Whitening during surface sizing procedure;

5、optical brightener BBU Whitening during coating procedure.

Method:

Dip 60-100 ℃ temperature, residence time of 20-40 minutes, bath ratio: 1:20-30, dosage: 0.1-0.5%.

Package:25KG cardboard drum

Storage period:two years

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