High-Performance Optical Whitening Agent for Laundry and Textiles and Paper

• Customization: Available
• CAS No.: 16470-24-9
• Formula: C40h40n12o16s4na4
• EINECS: 16470-24-9
• Appearance: Liquid
• Color: Brown
• Environmental Protection: Yes
• Application: Textile Printing Auxiliary, Dying Auxiliary
• Kind: Used for Paper
• Certification: SGS
• Transport Package: Drum
• Specification: KG
• Trademark: IDEFU
• Origin: China
• HS Code: 320420
• Production Capacity: 3000000mt/Year

Product Description

Product Description

FLUORESCENT BRIGHTENER APC
CAS:16470-24-9
MOLECULAR FORMULA: C40H40N12O16S4Na4
MOLECULAR WEIGHT: 1165.12 (As International relative Atom Mass 1997)
Max UV ABSORPTION WAVELENGHTH: 350 nm
EXCUTIVE STANDARD: HG/T 3727-2003
SPECIFICATIONS: 
Item       Indices
Appearance   Amber transparent liquid
Fluorescent intensity (equivalent to standard sample)     35
Whiteness (WCIE) (equivalent to stand sample)      ≥ -3
Viscosity (25ºC), mPa.s        ≤ 50
pH value 8-10
Density, g/cm3      1.1-1.2
Ionicity    Anionic

PROPERTY:
 1. Easily used, and can be mixed with water at any ratio. Suitable for automatic lasting adding.
    2. Excellent acid-resistance and excellent whitening effect even in low pH value solution.
    3. Advanced nanofiltration membrane technology is applied for this material and has low salinity and better storage stability under normal temperature.
    4. Compared with other products, FWA-APC has better sunlight fastness and alkaline- resistance.
    5. Kept stable above 0ºCand cooled under -3ºC, but have no influence on its usage when hearted and dissolved again.

Application

    1. Fluorescent whitening agent for paper pulp bleaching.
    2. Fluorescent whitening agent in the process of surface gluing.
    3. Fluorescent whitening agent in the process of coating.
PROCEDURE:
 l. Addition to the stock: adding without dilution. Usual dosage: 0.05-1.2% on dry pulp.
 2. Addition via size press: combined with starch, CMC, PVA and other products designed for surface sizing. Usual dosage: 0.5-10 g/L.
 3. Addition to the pigment coating mixtures: adding in any stage of building coating material. Good performance with the carrier of CMC, PVA and starch. Usual dosage: 0.1-1.4% on dry white pigment.

Packaging & Shipping

 
1000 kg, 200 kg or 50 kg plastic drum, or for the special demand.

Should be stored cool, dry and ventilate place, and storage period should not exceed 6 months.