OBA optical brightener agent blue types of cotton VBL

Optical brightener agent blue it is a complex organic compound. can excite the incident light to produce blue light,make the dyed material obtain the glittering effect.

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Optical Brightening Agent blue

Basic parameters

  • Exterior:Light yellow powder
  • PH value: 4.0-6.0 (1% aqueous solution)
  • Solubility: easily soluble in water
  • Ionity: Anion

Product characteristics

  1. Optical brightener agent blue have a high whitening intensity with strong blue light in textile.
  2. Optical brightener agent is widely used for whitening polyester,nylon fiber and various plastics.
  3. Optical brighteners blue excellent high temperature resistance


Optical brightener agent blue proper dosage should be added when using.Excessive addition will reduce the whiteness of raw materials and make them yellow.Recommended dosage for pad dyeing is 3-4g/L


If the package is opened, please use it up as soon as possible. If it is not used up, it needs to be sealed for next use. Do not mix with other products to prevent reaction.

Packaging storage

  1. Non-dangerous goods, 50kg paper drum with built-in plastic bag packaging
  2. Sealed and stored in a ventilated and cool place, avoid high temperature and sun exposure, storage period is six months

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