Optical Brightener APC
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Optical Brightener APC

Optical brightener APC easily used, and can be mixed with water at any ratio. Suitable for automatic lasting adding.

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Product Description

C.I.220 CAS:16470-24-9

STRUCTURE:

 

MOLECULAR FORMULA: C40H40N12O16S4Na4

MOLECULAR WEIGHT: 1165.12 (As International relative Atom Mass 1997)

Max UV ABSORPTION WAVELENGHTH: 350 nm

EXCUTIVE STANDARD: HG/T 3727-2010

SPECIFICATIONS:   

ITEM

INDEX

Appearance

Amber transparent liquid

Fluorescent intenstty (equivalent to standard sample)

35±1

Whiteness (WCIE) (equivalent to stand sample)       

-3

Viscosity (25), mPa.s                       

50

pH value

8-10

Density, g/cm3

1.1-1.2

Ionicity

anionic

 

Optical Brightener APC PROPERTY:

1. Easily used, and can be mixed with water at any ratio. Suitable for automatic lasting adding.

2. Excellent acid-resistance and excellent whitening effect even in low pH value solution.

3. Advanced nanofiltration membrane technology is applicationed for this material and has low salinity and better storage stabilty under normal temperature.

4. Compared with other products, FWA—APC has better sunlight fastness and alkaline- resistance.

5. Kept stable above 0and icelized under -3, but have no influence on its usage when hearted and dissolved again.

 

Optical Brightener APC USAGE:

1. Optical Brightener agent for paper pulp bleaching.

2. Optical Brightener agent in the process of surface gluing.

3. Optical Brightener agent in the process of coating.

 

Optical Brightener APC PROCEDURE:

l. Addition to the stock: adding without dilution. Usual dosage: 0.05-1.2% on dry pulp.

2. Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5-10 g/L.

3. 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.

 

PACKAGE AND STORAGE:

1000 kg, 230 kg or 50 kg plastic drum, or for the special demand. Should be stored cool, dry and ventilate place, and storage period should not exceed 6 months.

 

NOTE:

1. The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.

2. Please contact us timely if you have any problems in technology or application.

 



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