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Optical Brightener Ob 1 For Pp Plastics - China

price: contact company for price

Product Name

Optical Brightening Agent OB- 1

Chemical Name

2.2’- ( 4.4’- diphenol vinyl) dibenzoxazol


1533- 45- 5

C. I. No.


Structural Formula

Molecular Formula


Molecular Weight


Technical Index

Appearance: yellowish green powder

Melting Point: 357~359°C

Purity: ≥ 99%


Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.

For whitening of polyester and nylon; 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


25kg per fiber drum

Company Contact:

  • Phone: 008618653172275

  • Address: No. 399 Hualong Road, Jinan, Shandong Province, Jinan, China

  • Email: Email

Published date: August 31, 2015 -

  • Business Description: We mainly produce optical brightner,2 Aminophenol CAS 95 55 6,o nitrophenol CAS 88 75 5,2 Amino 4 tert butylphenol CAS NO 1199 46 8,Thiophene 2,5 dicarboxylic acid CAS NO 4282 31 9,Terephthaldicarboxaldehyde CAS NO 623 27 8.

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