Optical Brightener masterbatches

Optical Brightner Optical brightner Masterbatches are characterised by higly concentrated brightner chemicals.Optical brightners absorb light from lower frequency range of normal visible spectrum and reflects back with a bluish tinge thereby suppressing yellowness index of base polymer. Hence the product gets a glossy surface appearance.The applications where these masterbatches are used are as follows:All types of plastic items including multilayer films, jhabla, injection & Blow moulding articles. Results shows that it can be used in a few Roto moulded applications too. (D 47/10/052)For all types of PS, HIPS, ABS & SANPET (D72/10/055).