• Optical brightener 4BK

Optical brightener 4BK

  • C.I.Fluorescent Brightener 28
  • C.I.40622
  • CAS: 4193-55-9/95508-20-6
  • Molecular Formula: C40H42N12Na2O10S2
  • Formula Weight: 960.95

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Specification

Appearance: Light yellowish green powder

Fluorescent strength: 45±2

Ionic character: Anionic

Moisture Content: ≤5%

Properties: The product has an ideal whitening effect on polyester fiber as well as    

polyester fiber-containing fabrics including polyester-cotton blend fabric.



Characteristic

1.Fluorescence intensity, enhance whiteness, high yellowing points.

2.There are alkali perborate, hydrogen peroxide and other properties.


Application

Usage: A good optical whitening agent for cotton, polyester-cotton blended fabric whitening and cotton blended fabric whitening bath.


Packing

Packed in 25kgs Fiber Drum  


Download

TDS-4BK.pdf

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