Master Batch Optical Brightening Agent OB-1 393
  • Air ProMaster Batch Optical Brightening Agent OB-1 393
  • Air ProMaster Batch Optical Brightening Agent OB-1 393
  • Air ProMaster Batch Optical Brightening Agent OB-1 393
  • Air ProMaster Batch Optical Brightening Agent OB-1 393
  • Air ProMaster Batch Optical Brightening Agent OB-1 393

Master Batch Optical Brightening Agent OB-1 393

Master Batch Optical Brightening Agent OB-1 393 has a colored shade of blue light and a melting point of 355-360°C. It is the most resistant to high temperature. Optical brightener OB-1 is insoluble in water, has stable chemical properties, and has very good heat resistance, light resistance and chlorine bleach resistance. For Performance, Compared with the traditional fluorescent whitening agent OB-1, RAYTOP Optical brightener OB-1 has the excellent characteristics of less dosage, strong adaptability and good dispersion.

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Product Description

Master Batch Optical Brightening Agent OB-1 393


Product Name

Optical Brightening Agent OB-1

Chemical Name

2.2’-(4.4’-diphenol vinyl) dibenzoxazol

CAS No.

1533-45-5

C.I. No.

393

Structural Formula

Molecular Formula

C28H18N2O2

Molecular Weight

414

Technical Index

Appearance:yellowish green powder
Melting Point:357~359°C
Purity:≥99%

Uses

Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization,also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc.

Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g

Package

10KG/25kg per fiber drum


Optical Brightening Agent OB-1 also named Optical brightener OB-1 or Fluorescent Brightener OB-1,why we recommend Optical Brightening Agent OB-1 for Master batch.


Optical Brightening Agent OB-1 has a colored shade of blue light and a melting point of 355-360°C. It is the most resistant to high temperature.  Optical brightener OB-1 is insoluble in water, has stable chemical properties, and has very good heat resistance, light resistance and chlorine bleach resistance. For Performance, Compared with the traditional fluorescent whitening agent OB-1, RAYTOP  Optical brightener OB-1 has the excellent characteristics of less dosage, strong adaptability and good dispersion.


Brightener OB-1 can be heat-resistant for 8 hours at 300℃ or higher without being decomposed, so adding this brightener OB-1 to the brightener master batch can meet the production temperature of most plastics.The whiteness and brightness of the master batch which add brightener OB-1 have been increased. Due to its small dosage, for manufacturers, the cost will save so much.





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