Granular fluorescent whitening agent is a kind of formulation developed after powder formulation. The main purpose is to reduce the environmental pollution caused by powder product dust, improve product quality and application performance. At present, the modified dosage forms occupy a considerable proportion in the fluorescent whitening agent products all over the world
(1) Particles have a certain mechanical strength, no dust or low dust.
(2) Good fluidity, easy to measure, especially suitable for continuous and automatic production.
(3) It has good solubility or dispersibility, easy to melt and more convenient for application.
(4) It is easy to store, transport and package, and will be the main dosage form in the future.
(5) Suitable for all kinds of fluorescent brighteners.