Category
Supplier country/region
Sulphur black br, bn, 522, 521 200, chinese dyes manufacturer
Dyestuffs,textile dyestuffs, dyestuffs industry, classic dyestuffs
Dyestuffs,colored dyestuffs,pigment dyestuff, chemical dyestuffs, organic pigment, white dyestuffs, classic dyestuffs
Optical brightener kb ,fluorescent brightener kb,optical brightening agent kb,brightener kb
Optical brightener ob-1,fluorescent brightener ob-1,optical brightening agent ob-1,brightener ob-1
organic dyestuffs,pigment dyestuff, chemical dyestuffs, organic pigment