Rockstock is made from waste from the building industry. Offcuts and waste stone rock, marble and tiles are ground to recover Calcium Carbonate (CaCO3)that forms 80.9% of Rockstock RPD Paper.
Watch the video to see the making of Rockstock (with English Subtitles):

A closer look at the Flow chart above. You can begin to see how not only is the production of Stone paper is superior compared to the pulp paper production process shown below, but is more environmentally friendly but also cost effective.
