Optical Brightener: Optical brightener masterbatches are added in polymers to reduce yellowing, improved whiteness, and to enhance the brightness of a product.
The objectives of Calco Polychem’s OB masterbatch are: - Improvement of initial color of plastics which are inherently often slightly yellowish. - Production of brilliant white end –use articles. - Increase of the brilliancy of colored and white pigment articles.
This optical brightening masterbatch works with low levels from 0.1 – 4 percent. At high loading a blue tinge is seen on the film. This masterbatch contains primary and secondary antioxidants.
For More Details Contact: Calco Polychem Pvt. Ltd. Mr. Varun Gupta Tel.: +91-11-27857715 / 27853632 E-mail: info@calcopolychem.com http://www.calcopolychem.com
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