Composition 
bis-benzimidazo derivative 
Properties 
Appearance: milk white jelly 
Ionicity: non-ionic 
pH-value: neutral 
Stability: resistant to hard water, acid (pH-value 2-3), alkali (pH-value 10). 
Properties: Fluorescent brightener DT has good effect 
Chemical index 
Appearance: milk white jelly 
pH-value: neutral 
Packing & Storage 
50kgs plastic drum. 
Stored in cool and draughty warehouse