At the beginning, there was pitch.

Elisabeth Lenz

Most people today associate adhesives with chemistry and consider them to be a relative recent innovation, as with the industrial manufacture of chemical products. Yet this apparently modern joining technique at 180,000 years is as least as old as mechanical joining. Even ‘Ötzi’, the Stone Age man who died in the Ötztal Alps around 3340 BC and was first discovered as a glacial mummy in 1991, fixed the shafts of his wooden arrows to the flint tips using plant fibres and birch pitch…

This is a topic OTTO Chemie ( spent time on.


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