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