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Optical Brightener Agent C.I.199:1/ER-II LIQUID

Basic Information
Place of Origin: China
Brand Name: LONGPU
Certification: REACH,SGS,ISO9001
Model Number: OBA 199-1
Minimum Order Quantity: 50
Price: Confirm the order date
Packaging Details: 25kg
Delivery Time: Within 7days
Payment Terms: T/T ,L/C
Supply Ability: Prompt
CAS NO: 13001-38-2 HPLC: 98%
Appearance: Light Yellow Powder Applcations: Acetic Fiber,polyamide Fiber

Technical data:

Appearance: cream white or pale yellow dispersion liquidShade: 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 fiberknitting 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 c.i.199 into the dye bath according to the formula , raisetemperatur e to 95-100 ℃ as the rate of 2-3℃/min, keep constant temperature for 30-40min → drop in temperature → washing

- dehydrat ion and drying (80- 100℃),its whiteness can meet the user ’s requirem ent . If the user has fixing machine, carry outpre-dr ying (80- 100℃) and curing (170- 175℃,30-40s) after washing and dehydration, then whiteness will be better.

2. Pad dyeing method:Dosage: l .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」30℃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 willbe 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 temperatur巳

Contact Details
Leo;

Phone Number : +8618601145078