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Home > Products > Optical Brightener > Fluorescent Brightener OB (FBA 184) > Optical Brightener OB from Factory Supply
Optical Brightener OB from Factory Supply
Optical Brightener OB from Factory Supply
Optical Brightener OB from Factory Supply
Optical Brightener OB from Factory Supply
Optical Brightener OB from Factory Supply
  • Optical Brightener OB from Factory Supply
  • Optical Brightener OB from Factory Supply
  • Optical Brightener OB from Factory Supply
  • Optical Brightener OB from Factory Supply
  • Optical Brightener OB from Factory Supply

Optical Brightener OB from Factory Supply

    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 6 Metric Ton
    Delivery Time: 15 Days
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Basic Info

Model No.: 7128-64-5

Appearance: Powder

Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Leather Auxiliary Agents

Color: Yellow

Additional Info

Packaging: 25KG fiber drum lined with double-layer plastic bag

Productivity: 3500ton per year

Brand: Forever

Transportation: Ocean

Place of Origin: China

Supply Ability: Steady supply capacity

HS Code: 32042000

Port: Shanghai Port,Qingdao Port

Product Description

Fluorescent Brightener OB-1 is commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the Fluorescent Brightener OB-1 takes 10g-30g or can be adjusted according to the requirements of the product or test. Fluorescent Whitening Agent, the Chinese alias fluorescent brightener, CAS No. 7128-64-5, the molecular formula C26H26N2O2S, mainly used in PVC, PS, PE, PP, ABS and other plastics and acetate fibers, paints, coatings, printing ink and other whitening.

Industrial grade-raw-material-ob-1-opticalIndustrial-grade raw-material-ob-1-opticalIndustrial-grade-raw-material ob-1-optical1533-45-5-Plastic-Optical-Brightener OB1533-45-5-Plastic-Optical Brightener-OB

Optical Brightener Ob (FBA 184) is a yellow-green crystalline substance that is insoluble in water and has stable performance. Its maximum absorption spectrum wavelength is 374nm, and it has strong fluorescence with an emission wavelength of 434nm. High whitening intensity with strong fluorescence. The use of a wide range of various plastic products can be used. Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.


Structural formula:

Appearance: light yellow or milk white powder

Purity: ≥99%
Melting point: 201-205℃
Solubility: poorly soluble in water, soluble in alkane, mineral oil, and common organic solvents.
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening and brightening PVC, polystyrene, polyethylene, polypropylene, thermoplastic plastic, ABS, cellulose acetate fiber, coating, paint, ink, etc.

CAS NO. :7128-64-5

Optical Brightener Properties:

• Colors appear more brilliant

• Environmentally friendly

• Excellent brightening ability

• Produce a bluish tinge, masking yellowness

• Whiter-than-white appearance.

Generally, in the production process of good water-based ink coatings, the fluorescent brightener OB is used.Fluorescent brightener OB not only increases the whiteness of the ink, but also increases the brightness of the ink.Fluorescent brightener OB-1 improves the grade of the product.


All quatations are subject to our final confirmation. Unless otherwise stated or agreed upon, all prices are net without commission.



Looking for ideal Supply Auxiliary Agent Optical Brightener OB Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Fluorescent Brightener Oba 184 are quality guaranteed. We are China Origin Factory of Optical Ob Polymers Oba Cas 7128-64-5. If you have any question, please feel free to contact us.

Product Categories : Optical Brightener > Fluorescent Brightener OB (FBA 184)

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