Shanghai Longpu Industry Co.,Ltd

Honesty ,Innovation, Beyond, Win-win

Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
News
Home ProductsFluorescent Whitening Agent

Cream form White Optical Whitening Agent for the Polyester

Cream form White Optical Whitening Agent for the Polyester

Cream form  White Optical Whitening Agent for the  Polyester
Cream form  White Optical Whitening Agent for the  Polyester

Large Image :  Cream form White Optical Whitening Agent for the Polyester Get Best Price

Product Details:
Place of Origin: China
Brand Name: Longpu
Certification: REACH,SGS,ISO9001
Model Number: OBA 199:1 LIQUID
Payment & Shipping Terms:
Minimum Order Quantity: 50KG
Price: Confirm the order date
Packaging Details: 25kg/FIBER DRUM OR CRAFT BAG
Delivery Time: Prompt
Payment Terms: T/T ,L/C
Supply Ability: Prompt
Detailed Product Description
CAS NO: 13001-38-2 Form: Liquid
Active Content: 5%-30% PH: 6-7
Solid Content: 8-50%
High Light:

fluorescent brightening agent

,

optical bleaching agent

 

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.

Contact Details
Shanghai Longpu Industry Co.,Ltd

Contact Person: Mr.Wang

Tel: +8618516375790

Send your inquiry directly to us