Optical Brightening Agent BAC (C.I.363) Chemical name Benzimidazole derivative Structural formula Specification Appearance: Brown liquid Fluorescent Color: Similar to the standard sample Whitening strength: 100±3( compared with standard sample) Moisture: ≤6% Ionic character cation Treating process: A：BLEACH FOR PURE ACRYLIC BAC DOSAGE：0.2~1.0%(o.w.f.) PH: 3~4 (adjusted by formic acid) BATH RATIO:10~40 TEMPERATURE: 90~98℃ FOR 40~60MIN B：Bleaching with chlorite BAC DOSAGE：0.2~1.0%(o.w.f.) sodium chlorite（80%）：1~2g/l sodium nitriate：1~3g/l PH: 3.5~4 adjusted by formic acid BATH RATIO: 10~40 TEMPERATURE: 90~98℃ FOR 30~40MIN Use: Mainly used for acrylic and its blends textiles Package: 30kg plastic drum. It can be packed according to the requirement of the user.
Mainly used for acrylic and its blends textiles