Optical Brightening Agent CBS/FP-127

Optical Brightening Agent CBS/FP-127 is a highly purified optical brightener applicable to polymer, paint, printing ink and artificial fiber. It presents blue fluorescent light in all the polymers.

Specifications:
Appearance:                          light yellow color crystal powder
Assay:                               99%min.
Bulk density:                         1.23g/cm3
Melting point:                        216-222
Ash:                                  0.3%max
Volatile content:                     0.3%max
Particle size:                        200 meshes
Max. absorption wavelength:           375nm(in ethanol)
Spectrophotography:                   max.(DMF) 364nm