China Fluorescent Whitening Agent Bbu/ Optical Brightener Agent Bbu, Find details about China Optical Brighener, Fluorescent Whitening Agent from Fluorescent Whitening Agent Bbu/ Optical Brightener Agent Bbu
OPTICAL BRIGHTENER BBU (C.I.220) |
CAS:16470-24-9 |
Appearance:Light yellow uniform powder |
Max UV absorption wavelength, nm:348±1nm |
Fluorescent strength: 100±3 |
APPLICATION: |
Used for cotton fiber and glue fiber. |
Bath temperature is about 95-98ºC, holding time is about 10-20 minutes, bath ratio is 1:20, vapor steaming about 45 minutes, the dosage is 0.1-0.5%. |
Recommended dosage |
0.1-0.3% of the dry pulp or paints. |