Sea-lion project selects Araldite 2012 adhesive
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Huntsman Advanced Materials product story
Edited by the Engineeringtalk editorial team
Sep 17, 2009
Araldite 2012 was found to be the best adhesive to attach recorders and study repeated dives of sea lions from 350 - 500 metres.
The adhesive has to withstand: the heavy impact of 100kg sea lions rolling, scratching and hitting rocks; the Pacific's salt water; and strong sun radiation.
A co-operation between the Galapagos Sea Lion Project; University of Bielefeld, Germany; the National Park Service of Galapagos; and the Charles Darwin Research Station, Galapagos, is conducting the project.
It selected Araldite 2012 to attach time-depth-recorders (TDRs) to the sea lions to ensure they remained fixed whatever the conditions.
Preliminary results from the ongoing project showed that juvenile Galapagos sea lions dive up to a maximum of 350m and adult sea-lion females up to a maximum of 502m.
Jana Jeglinski, from the Galapagos Sea Lion Project, said: 'Araldite 2012 provided reliable deployment and retrieval of our dive recorders.
'Araldite 2012 ensured that our recorders did not fall off, whatever the depths and conditions, until we wanted to retrieve them, which gave us the most wonderful data.' Araldite 2012 is part of the Araldite 2000 plus range.
It is a fast cure, multi-purpose epoxy adhesive with extremely high toughness, combined with chemical and water/humidity resistance, making it an excellent choice for the sea-lion project.
It can be used in a variety of industrial applications where there is exposure to chemicals and water.
The success of Araldite 2012 in fixing the recorders to the sea lions helped to show where they dive and what they feed on, providing valuable information on the management and conservation of the species.
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