TitleProduct

Optical Brightener OB-1 TDS

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2022-07-20 19:29

  • Browse the number:

    436

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Company Profile

Shandong Raytop Chemical Co., Ltd

By certification [File Integrity]

Contact: sdruituo(Mr.)  

Email:

Telephone:

Phone:

Area: Beijing

Address: Beijing

Website: http://www.raytopchemical.com/ http://sdruituo.cftfsb.com/

Product details

 Firstly,lets see the Optical Brightener OB-1 TDS

Product Name

Optical Brightener OB-1

Chemical name

4,4′-Bis(2-benzoxazolyl) stilbene

C.I.NO

391

CAS NO.

1533-45-5

Appearance

Bright yellowish green crystal powder

Molecular weight

414

Molecular formula

C28H18N2O2

Melting point

350-360℃

Maximum absorption wavelength

374nm

Maximum emission wavelength

434nm


Package:

10kg/20kg/25kg per fiber drum

450kg/500kg/675kg per pallet

We can also customize the package according to our customers’ requirements.


 


FAQ

1.What’s the differences of optical brightener OB-1 green and optical brightener OB-1 yellow?

Except the appearance is green and yellow,others are the same.The TDS (technical data sheet) and white performance are the same too.


2.Why optical brightener OB-1 and optical brightener ER both can used for polyester stable fiber?

Optical brightener OB-1 and optical brightener ER added in different stages, such as Optical brightener OB-1 is added in the PET flakes before drawing, and Optical brightener ER is added after drawing to whiten the yarn. It also can be said that Optical brightener OB-1 is used for the whitening of plastic bottle flakes, while Optical brightener ER is used for the whitening of yarns in textiles.


 


http://www.raytopchemical.com/