OBA 199 Optical Brightening Agent , Liquid Optical Whitener Active Content 13%

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Optical Brightener Agent 199 liquid ACTIVE CONTENT 13% I Technical data: Appearance: pale yellow dispersion liquid Shade: bluish violet Particle size: 90%2m PH value: 6-7 Density: 1.040.001 II Applications: This product is mainly used for whitening and brightening of polyester, polyester-cotton, polyester-silk, polyester-yarn, polyester-hemp, polyester-wool and other blend fabrics, and for whitening of chemical fiber plastics as well. This product is applicable to pad dyeing, high-temperature and high-pressure exhaust dyeing, especially to low-temperature absorption (exhaust dyeing) and high-temperature thermo-fix processes. III Directions for use and dosage: (only for reference) 1. Thermosol method: Dosage: 1.5-3g/L Procedure: 2 dips 2 nips (pick up: 70%) pre-drying (100) drying and thermo-fixing (180-190, 40 -30 seconds) 2. High-temperature and high-pressure exhaust dyeing method: Dosage: 0.2-0.5%(o.w.f) Liquor ratio: 1:10-20 Dyeing temperature: 120-130 Dyeing time: 30-60min PH value: 4.5-5.5 (adjusted with acetic acid) 3. Dip dyeing method of low-temperature absorption and high-temperature thermo-fixing and curing: Dosage: 0.5-1.0%(o.w.f) Liquor ratio: 1:10-20 Dyeing temperature: 50-60 Dyeing time: 30min PH value: 4.5-5.5 (adjusted with acetic acid) Procedure: add BC-100 FWA and additive (anhydrous sodium sulphate 1-2% relative to weight of fabric, PH value adjusted with glacial acetic acid) and fabric into the dye bath at room temperature raise temperature to 50 and dye for 30min washing dehydration and pre-drying (100) curing and thermo-fixing (180-190, 40-30s). IV Using tips 1. If suspension liquid precipitates and separates after stored for a long period, please fully stir before use. 2. It shall be used within the yellowing spot range of this product, i.e. pad dyeing 5g/L, exhaust dyeing 0.7% (o.w.f). It will be subject to yellowing if beyond the dosage range. V Packaging and storing: 5kg in plastic drum, 20kg/ paper carton (4 drums). Quality guarantee period is 8-12 months at normal temperature.

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Shanghai Longpu Industry Co.,Ltd

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