Best whitening Optical Brightener Agent BAC-363 for acrylic CAS NO 95078-19-6
cas no.: 95078-19-6
C.I.Number: 363
Main chemical name: Benzimidazole Derivatives
Specification:
Appearance: Brown liquid
Ionic character: catinic
Whitening Strength: 100±2%
Property:
1. with strong fluorescene, excellent whitening performance and bluish-violet shade.
2. Good acid stability, stable in Sodium chlorous.
Application: Main be used in whitening of acrylic and blends.
Treating Process:
1. For pure acrylic:
Dosage: 0.21.0%(BAC)
PH: 3-4 (Adjusted by oxalic acid)
Bath ratio: 10-40
temperature: 90 ~98×40-60min
2. One bath process of scouring hydrogen peroxide bleaching and whitening:
Dosage: 0.21.0%(BAC)
hydrogen peroxide: 1-2g/L
Dodium nitrate: 1-3g/L
PH: 3.5-4 (Adjusted by oxalic acid)
Bath ratio: 10-40
temperature: 90 ~98×30-40min
