In the beginning there was pitch.

Elisabeth LenzAll

Most people today associate adhesives with chemistry and regard them – like the industrial production of chemical goods – as a relatively recent invention. However, at over 180,000 years old, this supposedly modern joining technology is at least as old as mechanical joining. Even “Ötzi”, the Stone Age man who died in the Ötztal Alps around 3340 BC and was only discovered as a glacier mummy in 1991, used plant fibres and birch pitch to fasten the shafts of his wooden arrows with flint tips…

OTTO Chemie (www.otto-chemie.de) has taken a closer look at this interesting topic.

Otto_Chemie

To the complete article (in German).