Company Details

  • Dynasty Chemicals (NingBo) Co., Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Distributor/Wholesaler
  • Main Mark: Worldwide , Africa , Americas , Asia , Europe , Middle East , Oceania
  • Exporter:71% - 80%
  • Certs:ISO9001
  • Description:OB-1,Optical Brightener 393,Fluorescent Brightener 393
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Dynasty Chemicals (NingBo) Co., Ltd.

OB-1,Optical Brightener 393,Fluorescent Brightener 393

Home > Products > Industries & Applications > OBA > FB 393(OB-1) CAS NO.:1533-45-5

FB 393(OB-1) CAS NO.:1533-45-5

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Basic Info

Model No.: C.I.393

Product Description

Plastic using optical brightening agent is a fluorescent dye, known as white dye, is also a complex organic compound. It can excite incident light to produce fluorescence so that plastic can be obtained similar fluorspar sparkling effect, so as to achieve the whitening effect.

OBA for Plastics



FB 393(OB-1)


OB-1 is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric.It can be used for whitening polyester melt.This whitening agent is similar to Whitex SNK,Uvitex ERT and Eastobrite OB-1.

Product Name: FB 393(OB-1)
Product Description:
Synonyms: 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole
EINECS : 216-245-3
CAS NO.: 1533-45-5
Molecular Structure :1533-45-5


Looking for ideal OB-1 Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Optical Brightener 393 are quality guaranteed. We are China Origin Factory of Fluorescent Brightener 393. If you have any question, please feel free to contact us.

Product Categories : Industries & Applications > OBA

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