Package: 25kg paper drum. It can be packed according to the requirement of the user.

Uses : can whiten nylon 6, nylon 66, its blends fabric, silk feather.

Product description: Optical Brightening Agent NFW (C.I.351) Chemical name Benzimidazole derivative Structural formula Specification Appearance: Yellowish granular Fluorescent Color: Slight reddish Whitening strength: 100±3( compared with standard sample) Ionic character anionic Treating process: Exhausting process: Dosage: 0.1-1.5% (o.w.f) Bath ratio: 1: 10-30 Use: It can whiten nylon 6, nylon 66, its blends fabric, silk feather. Package: 25kg paper drum. It can be packed according to the requirement of the user.