• Optical brightener BBU

Optical brightener BBU

  • C.I.Fluorescent Brightener 220
  • C.I.40623
  • CAS: 16470-24-9
  • Molecular Formula: C40H40N12O16S4Na4
  • Formula Weight: 1165.12

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Specification

Appearance: Amber transparent liquid

PH value: 8.0-10.0

Density: 1.0-1.2g/cm3

Viscosity: ≤60mPa•s

Ionic character: Anionic

Fluorescent strength: 35±2 (equivalent to the standard sample)



Characteristic

1. Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.

2. Good resistance to hard water, the ions of Ca2+ and Mg2+ have no influence on its whitening effect.

3. Good resistance to peroxide bleach agent and containing reductive bleaching agent (sodium hydrosulfite).

4. General acid-resistance and the optimal applied pH value >7.


Application

1. Used in the process of coating.

2. Used in the process of surface gluing.

3. Used in paper pulp.

Packing

Packed in 25kgs Plastic Drum  

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TDS-BBU.pdf

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