We are offering optical brightening agent bac. specification appearance: brown liquid fluorescent color: similar to the standard sample whitening strength: 100â±3( compared with standard sample) moisture: â�¤6% ionic character cation e-value 115...
Packaging details: 25 kg /carton delivery detail: 15-20 days after receive the advanced payment product name optical brightening agent er-i / c.i.199 chemical name 1, 4'-bis(2-cyanostyryl) benzene cas no. 13001-40-6, 13001-39-3 c.i. No. 199 molecular formula c24h16n2 molecular...
Optical Brightening Agent OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing. Specifications: Appearance: Yellowish or yellowish green...