anchor&rsquos triplelayer bottle is 100 light prooftm bottle for fresh milk and cream. exposure to light affects nutritional value vitamins a and b2 and taste profile of milk.fonterra new zealand&rsquos iconic anchor brand worked closely with manufacturing partner alto to design test and produce anchor&rsquos light proof&trade bottle.bottle applies triple layer technology, ensuring the hdpe bottle is light weight and recyclable. the key to innovation is adding two more layers to the existing single layer bottle, while ensuring the bottle is still light weight and easily recyclablethe inside and outside layers are opaque white so that our milk looks good and recognisable on shelf. the middle layer coloured black, blocks out 100 of light.the middle layer uses the colourant carbon black, while titanium dioxide tio2 is used to colour the internal and external layer.  both are approved food contact safe materials 
