We are professional optical brightener manufacturers and suppliers, own optical brightener factory, one of the best Optical Brightener OB-1 and Masterbatch manufacturers and suppliers china.
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Optical Brightener OB-1 china manufacturer

Brand
Raytop
Appearance
Yellow Green Powder
Purity
98.5%
Color shade
Blue
Finess
400-800 mesh
Package
10kg/25kg per fiber drum
Shelf Life
2 years
Transport
by sea or by air
Molecular formula
C28H18N2O2
CAS
1533-45-5
Color light
blue
Solubility
solvent solubility
Wavelength
374nm

Raytop Chemical is as Top 1 Optical Brightener OB-1 manufacturer the China ,have 15 years production and marketing experience, we can supply low price but high purity Optical Brightener OB-1 for you.

Call Us: +86-15854199366

As an excellent optical brightening product, why is the optical brightener OB-1 selling well in the international market?

First of all, the optical brightener OB-1 can only be manufactured in China.

Secondly, only China can produce o-aminophenol, the main raw material of optical brightener, which gives China an advantage in 

raw material cost.

Third, compared with other fluorescent whitening agent products, OB-1 has the advantage of high quality and low price.

Finally, as a product of decades old technology, it is very stable in use.

So, let's take a look at what are the characteristics of optial brightener OB-1?

Product Name:Optical Brightener OB-1

optical-Brighteners.jpg

Chemical Name:2.2’-(4.4’-diphenol vinyl) dibenzoxazol


CAS No.:1533-45-5


C.I. No.:393


Molecular Formula:C28H18N2O2


Molecular Weight:414 


Technical Index:Appearance:yellowish green powder 


Melting Point:357~359°C 


Purity:≥98.5% 


Recommend Dosage:200-500g per 1000kg material


Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/pallet




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