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Fluorescent brightener
Fluorescent whitening agent OB-1 green phase
Fluorescent whitening agent OB-1 green phase

Product name: Fluorescent whitening agent OB-1 green phase

Structure type: benzoxazole derivative

 

Molecular formula: C30H20N2O2

 

C.I.NO:393

 

CAS No:5242-49-9

 

Molecular weight: 442

 

Technical indicators:

 

Appearance: yellow green powder

 

Volatile matter: ≤ 0.5

 

Content: ≥ 98.%

 

Ash content: ≤ 0.5%

 

Fineness: ≥ 120 meshes

 

Melting point: 275-280 ° C

 

Performance and use: This product has good compatibility with plastics, high temperature resistance and sun and weather resistance.

 

It is suitable for whitening polyester, polyamide, polyacrylonitrile and other fibers as well as silk and wool fabrics. Widely used in film, injection molding and extrusion molding materials, very suitable for polymer whitening.

 

Recommended dosage: add 2-30g of whitening agent for every 100kg of material. The amount of transparent plastic added is 0.5-2g; The amount of polyester fiber added is 10-20g.

 

Packaging and storage: Packed in cardboard barrels lined with plastic bags, with a net weight of 25kg/barrel, or packed according to customer needs, and stored in a cool, dry place away from light.

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