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Optical Brighteners

CESA™ Bright Optical Brighteners

Retains Brightness

CESA™ bright masterbatches convert UV radiation into visible, bluish light in order to improve the long-term, white appearance of finished plastic products.

A bluish undertone is often desirable for thermoplastic articles, particularly for polymers with a slightly yellow cast. Topical optical brighteners have been used to improve the surface whiteness of plastic articles and synthetic fibers.

Adding CESA™ bright concentrates to the polymer itself produces much better brightness retention over time than surface treatment with topical optical brighteners.

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Impact

  • Much better brightness retention over time than surface treatment with topical optical brighteners
  • Convert UV radiation into visible, bluish light
  • Improving the long-term appearance of finished products

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