BASF Optical Brightener OB-1
Fluorescent Brightener OB-1 is an excellent oxazole brightener.
Fluorescent Brightener OB-1 is an excellent oxazole brightener.
Fluorescent Brightener ER-II is quite stable against reducing agents, oxidizing agents, and hypochlorite compounds.
Fluorescent Brightener OB-1 is an excellent oxazole brightener.