Fuorescent brightener OB WSD Chemical®

Fuorescent brightener OB performance

Chemicals structure of fuorescent brightener OB

CAS Number :52232-33-4	EC Number:
Molecular Formular:C26H26N2O2S	Molecular Weight:430.56
English name: BBOT	C.I: 184

Specifications:

Item	Indices
Appearance	light yellow or milk white powder
Purity	≥ 99.8 %
Melting point	201-202
Ash	≤ 0.1
Volatile content	≤ 0.4%

Performance Features：
1.Pale green powder, tasteless, dissolvable in paraffin, fuorecent brightener OB spectrum can absorb the maximum wavelength of 375nm with the maximum transmitted length of 435nm (in ethanol).
2. Good brightening effects and weathering resistance requires a small quantity

Application：
optical brightener OB is widely used in the brightening of thermoplastics，Such as PVC, PE, PP, PS, ABS, PMMA, POM and thermosetting plastic, polyester fiber, paint, ink and coating.

Aplication Methods：
Polyvinyl chloride brightening: 0.01～0.05%
Increase radiance: 0.0001～0.001%
Polystyrene 0.0001～0.05%
ABS: 0.01～0.05%
Polyolefin colorless matrix: 0.0005～0.001%
White matrix: 0.005～0.05%