Optical Brightener Masterbatches are added in polymers to reduce yellowing, improved whiteness, and to enhance the brightness of a product. This masterbatch has the capability of re- emitting blue light with absorption of ultraviolet radiation. 

The objectives  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%. At high loading a blue tinge is seen on the film. This masterbatch contains primary and secondary antioxidants

Optical Brightener Masterbatch is specifically used for imparting whiteness and brightness to the plastic products without any bluer tone. With an excellent composition of bis-benzoxazole type organic derivative and poly-olefin polymer, this type of masterbatch is also responsible for minimizing the yellowing of end product. This masterbatch has the capability of re- emitting blue light with absorption of ultraviolet radiation. 

Features :

• Composed of bis-benzoxazole
• Reduces yellowing of plastic products
• Enhance the whiteness and brightness
• Absorbs UV radiation
• Re- emit blue light
• No bluer tone in the product
• Improves optical properties
• Contains highly concentrated brightener chemicals