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Home > Products > Optical Brightener > Fluorescent Brightener OB-1 (FBA 393) > Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
  • Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
  • Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
  • Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
  • Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5
  • Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5

Fluorescent Brightener OB-1 for Plastic CAS No 1533-45-5

    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.: 1533-45-5

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

Brightener OB-1 (1533-45-5) is a heat resistant and chemically stable Fluorescent Whitener that increases whiteness and provides brighter looking colors. It is used to offset the yellowness of a polymer and to yield a whiter appearance. Optical brighteners create brilliance by a fluorescence process involving absorption of invisible UV light and emission of visible blue light. Our OB-1 is especially useful in polyester and nylon fibers, as well as in high temperature engineering plastics.

Optical-brightener-OB-1 CAS No 1533-45-5Optical-brightener-OB-1 CAS No-1533-45-5Optical-brightener-OB-1-CAS No 1533-45-5Optical-brightener-OB-1-CAS No-1533-45-5Optical-brightener-OB-1-CAS-No-1533-45-5

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 Fluorescent Brightener OB-1 1533-45-5 Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Wallpaper OEF Optical Brightening Agent OB-1 are quality guaranteed. We are China Origin Factory of Optical Brightener Uvitex Ob 1. If you have any question, please feel free to contact us.

Product Categories : Optical Brightener > Fluorescent Brightener OB-1 (FBA 393)

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