Optical brightener OB

Suitable for use in all types of thermoplastics, plastics and masterbatches. Used in polyester fiber, water based ink, printing ink.
Pale green powder, harmless, soluble in paraffin, fat, olefin and most organic solvents. Its spectrum can absorb a maximum wavelength of 375 nm with a maximum transmitted length of 435 nm (in ethanol).
OB is widely used in brightening thermoplastics in the form of PVC, PE, PP, PS, ABS, PMMA, POM and thermosetting plastics, polyester fiber, paint, coatings.
These are a series of universal organically soluble optical brighteners for use in a wide range of transparent and pigmented water-dispersion compositions. Gives brilliance and good whiteness.


 
Main characteristics:

 
  • Soluble in organic solvents
  • Increased light stability
  • High gloss retention
  • Does not destroy the bleaching material
  • Gives a bluish tint

 
Scope of application:

 
  • Masterbatch
  • Water-based paints and varnishes, printing inks
  • PVC, PE, PP, ABS, PMMA, POM
  • Polyester fiber

 

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Brighteners

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