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Cream White Optical Whitening Agent , Fluorescent Brightener CAS 13001 38 2

Categories Fluorescent Whitening Agent
Brand Name: Longpu
Model Number: OBA 199:1 LIQUID
Place of Origin: China
MOQ: 100KG
Price: Confirm the order date
Packaging Details: 25kg/FIBER DRUM OR CRAFT BAG
Delivery Time: Prompt
Payment Terms: T/T ,LC
Certification: REACH,SGS,ISO9001
CAS NO: 13001-38-2
Form: Liquid
Active content: 5%-30%
PH: 6-7
Supply Ability: Prompt
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    Cream White Optical Whitening Agent , Fluorescent Brightener CAS 13001 38 2


    Optical Brightener Agent 199:1 liquid (CAS NO:13001-38-2)


    I Technical data:
    Appearance: cream white or pale yellow dispersion liquid
    Shade: blue
    Particle size: 90%≤2μm
    PH value: 6-7
    Density: 1.035±0.02
    Ionicity: nonionic
    II Applications:
    It is mainly applicable to whitening and brightening of polyester fiber and the blends, especially to whitening of polyester fiber knitting at low-temperature (95-100℃).
    III Directions for use and dosage: (only for reference)
    1. Exhaust dyeing method of low-temperature absorption:
    Dosage: 0.3-0.7% (o.w.f)
    Liquor ratio: 1:10-20
    Dyeing temperature: 95-100℃
    Dyeing time: 30-40min
    PH value: 4.5-5.5 (adjusted with acetic acid)
    Procedure: add additive, acetic acid (adjusting PH: 4.5-5.5) and BC-103 FWA into the dye bath according to the formula, raise temperature to 95-100℃ as the rate of 2-3℃/min, keep constant temperature for 30-40min → drop in temperature → washing → dehydration and drying (80-100℃), its whiteness can meet the user’s requirement. If the user has fixing machine, carry out pre-drying (80-100℃) and curing (170-175℃, 30-40s) after washing and dehydration, then whiteness will be better.
    2. Pad dyeing method:
    Dosage: 1.5-4g/L
    Procedure: 2 dips 2 nips (pick up: 70%) → pre-drying (100℃) → curing and thermo-fixing (175-180℃, 30 seconds)
    3. 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)
    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 ≤0.8% (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 under normal temperature.

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