Optical brightener for paper

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Optical Brighteners

Introduction of optical brightener for paper

Optical brightener brightening colors or mask yellowing optically yield a brighter, fresher appearance. Its synonym name OBA which is also known as fluorescent whitening agent(FWA) or fluorescent brightening agent(FBA).

Baoxu chemical offers optical brightener agents for paper as Table 1 below, Always pure powder, no reduction, and no filler.

Table 1 Optical brightener agent for paper

CategoryItem nameFBA index number
optical brightener for paperBX OBA VBLFBA 85
BX OBA BBUFBA 220
BX OBA HSFBA 264
BX OBA HSTFBA 357

 

Typical optical brighteners for paper are VBL, BBU, HS, and HST. Always pure powder, no reduction, no filler.

  • optical brightener VBL is also known as fluorescent brightener 85. It’s used in whitening and brightening cellulose fabric, paper, light-colored cellulose, and dial dye printing.
  • optical brightener BBU is also known as fluorescent brightener 220, used in whitening paper pulp, coating, and surface gluing. Both could be in powder or liquid form.
  • optical brightener HS which is known as fluorescent brightener 264, has great performance in size press and pigment coating mixtures.
  • optical brightener HST which is known as fluorescent brightener 357, also has great performance in size press and pigment coating mixtures and good acid stability.

For more info and selection of optical brighteners for various applications, please check our blog.