Package: packed in 30Kg plastic drum. It can be packed according to the requirement of the user.

Uses : Suitable in the polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing.

Product description: Optical Brightening Agent HPS-D Chemical name Stilbene derivative Structural formula Specification Appearance: Gray slurry Fluorescent Color: bluish white shade Whitening strength: 100±3( compared with standard sample) Ionic character non-ionic Treating process: Padding process Dosage: HPS-D 2-5 g/l for pad dyeing process Procedure: one dip one pad (or two dip two pads, pick-up: 70%)→drying→stenering Dipping process HPS-D 0.2-0.5% (o.w.f) Liquor ratio: 1:10-30 Optimum temperature: 98-120 ℃ Optimum time: 30-60 mins PH value: 5-11 Use: Suitable in the polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing. Package: It is packed in 30Kg plastic drum. It can be packed according to the requirement of the user.