Optical Brightener OB /Fluorescent brightener 184 with Cas 7128-64-5

FAQ Q: Are you factory/manufacturer of Optical Brightener OB?   A: yes, we are china factory of Optical Brightener OB,Autech industry has been committed to the production and export of Optical Brightener OB with high quality.   Q: Does the free sample avaiable?   A:Yes,we can provide free samples for you before you buy commercial quantity.   Q: What’s the advantages of Optical Brightener OB ?   A:It has excellent thermal stability, special whitening performance, good light fastness, and low volatility. The blue light emitting effect is outstanding, easily soluble in organic solvents, and has good compatibility with various substrates.   Q: What are the packaging options available?   A: We offer packaging according your request, our regular package is 200kg/drum.