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Optical brightener ob-1 solubility

Yellow Green Powder
Color shade
400-800 mesh
10kg/25kg per fiber drum
Shelf Life
2 years
by sea or by air
Molecular formula
Color light
solvent solubility

Those who know about Optical brightener must be familiar with Optical brightener agent OB-1. In the plastic products industry, OB-1 can be said to be a whitening agent with the smallest application range. It is not only affordable, but also has a very significant whitening effect. Therefore, it is deeply welcomed by major plastic manufacturers. Today, raytop will take you to learn about the performance characteristics and application methods of whitening agent OB-1.

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Performance characteristics of optical brightener OB-1

The appearance of whitening agent OB-1 is bright yellow green crystalline powder; Content ≥ 98%; Fineness ≥ 200 mesh; UV absorption ≥ 2000; The melting point is 350-355 ℃, which is suitable for high temperature production; Color light is divided into blue color light and blue purple color light. At present, blue color light is widely used and has good whitening effect; Insoluble in water, soluble in common organic solvents; Odorless and stable performance; The absorption spectrum has a wavelength of 374 nm, has strong fluorescence, and the emission wavelength is 434 nm.


Optical brightener ob-1 solubility

Optical brightener OB-1 has very low solubility, insoluble in water and soluble in common organic solvents.

OB-1 has low solubility in most organic solvents, has good thermal stability, and can withstand a high temperature of 375 ℃. 

OB-1 is suitable for engineering plastics with high melting point, such as alum resin.

  • OB-1 is suitable for whitening of polyester fiber, nylon fiber, polypropylene fiber and other chemical fibers.

  • OB-1 is suitable for whitening and brightening polypropylene plastics, hard PVC, ABS, EVA, polystyrene, polycarbonate, etc.

  • OB-1 is suitable for adding in the conventional polymerization of polyester and nylon.

  • OB-1 is suitable for whitening plastic products formed at high temperature.

  • OB-1 has good compatibility with most polymers and has a wide range of applications.

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Name: Lareina F.        time:2021-11-25 14:22:03
These are awesome! the effect is super good. the perfect Optical Brightener I purchased! I love you the super supplier!!!!

Name: Archibald B.        time:2021-11-11 15:32:06
The Optical brightener ob-1 is in good quality. Will be returning again! Definitely recommend

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