Hopebright ER-II

CI：199:1

CAS：13001-38-2

II Applications and features:

It is mainly used for whitening and brightening of polyester fiber and blend fabric as well as plastic chemical fiber and artificial leather.

ER-II whitening agent is stilbene-like compound, soluble in various organic solvents, not soluble in water, appearing nonionic. Its prominent feature is to formulate with ER-I, ER-III and other structural whitening agent as certain proportion and produce additive effect (synergistic effect). Compared with un-formulated whitening agent, formulated whitening agent can enhance about 15% of synergistic effect. Add formulated whitening agent into various additives to formulate 20% lactescence, which is used for whitening of polyester fiber in printing and dyeing industry, under the condition of achieving same whiteness and color light, dosage of formulated whitening agent is 10-15% less than dosage of un-formulated ER-I or ER-II serous fluid, so it is in possession of prominent commercial value.

Optical brightening agent Specification:

Package & Storage:

25KG kraft bag or catton drum or carton box, can be stored for 12 months under room temperature and hermetic condition without exposure to sunlight.