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