Main ingredient: Stilbene derivative Specification: Appearance light yellow dispersion Ionicity non-ionic Shade blue Solubility dispersible in water PH (1% aq. Sol. ) 5. 0-7. 0 Active content >20. 0% Characteristics: For whitening and brightening of polyester and polyester-blended fabrics. High whiteness and fluorescence, excellent fastness to light, wash and sublimation Usage: Pad-dyeing hot-melt method Rate of use: 1-3g/L Process: Two-bath two-pad (pick-up rate 70%), pre-baking (100 ), baking (180-200, 20-30s) Note: Scouring is need, pH must be below 8 High-temperature exhaust dyeing PS-2000 0. 2-0. 3%(o. W. F); Bath ration: 1: 10-30; Dyeing temperature: 120-130, 30-60min PH: 5-10 (optimum at 5. 0-7. 0) Packaging & Storage: Plastic barrel, N. W.: 25kg or 50kg. Shelf life: 6 months at room temperature