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OPTICAL BRIGHTENNING AGENT OB for coating

OPTICAL BRIGHTENNING AGENT OB is used in coating, which can significantly improve the whiteness of coating,Can maintain the whiteness and vividness of the coating for a long time.Like many layers of canned products, all can use optical brightenning ob.In addition, obs environmental protection effect is good, It has passed the fda certification, it can be used with confidence and is trustworthy.

  • Brand: Raytop
  • Appearance: Yellow Green
  • Purity: 98.5%
  • Color shade: Blue
  • Finess: 300 mesh
  • Package: 10kg/25kg per fiber drum
  • Shelf Life: 2 years
Call Us: +86-15854199366

OPTICAL BRIGHTENNING AGENT OB is used in coating, which can significantly improve the whiteness of coating,Can maintain the whiteness and vividness of the coating for a long time.Like many layers of canned products, all can use optical brightenning ob.In addition, obs environmental protection effect is good, It has passed the fda certification, it can be used with confidence and is trustworthy.

opticla brightener ob 184.JPG


Product Name:Optical Brightening Agent OB

Chemical Name:2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene

CAS No.:7128-64-5

C.I. No.:184

Molecular Formula:C26H26N2O2N2

Molecular Weight:430

Appearance:slight greenish yellow powder 

Melting Point:200-202°C 

Purity:≥99%


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