Fluorescent Brightener 31,Fluorescent Brightening Agent 31, Optical Brightening Agent 31,Fluorescent Whitening Agent 31,OBA 31
Mainly applied in washing powder, soap, cotton, viscose; Also used in brightening of light tone or printed fabrics, and whitening of vinylon and chinion product.
Appearance: | Yellowish powder |
pH Value: | 8.0-10.0(1% water solution |
Fluorescence Intensity: | 100±3 |
Ionic Character: | Anionic |
In process of washing powder production,add 31# with a dosage of 0.1-0.4% on weight of washing powder,mix them thoroughly and then carry out pelletizing through spraying.