Optical Brightener/Fluorescent Agent for Paper

• Customization: Available
• CAS No.: 16470-24-9
• Formula: C40h40n12o16s4na4
• Model NO.: Fluorescent whitening agent for paper
• 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

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.

PACKAGE AND STORAGE:
 1000 kg, 200 kg or 50 kg plastic drum, or for the special demand.