MNR McMaster University
MNR McMaster University, a materials test reactor (MTR) in Hamilton, ON, Canada, with 3 MW of thermal power, operated by Nuclear Reactor Laboratory. Operating, first critical in 1959.
It is the most powerful research reactor in Canada, of the 4 currently operating. It went critical 14 years after the first research reactor in Canada, ZEEP (1945). It is one of 5 materials test reactors (MTR) operating worldwide, spread across 5 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and silicon doping.
- Country
- Canada
- City
- Hamilton, ON
- Type
- Materials test reactor (MTR)
- Thermal power
- 3 MW
- Operator
- Nuclear Reactor Laboratory
- Status
- Operating
- First criticality
- 1959
- Purpose
- Isotope production, neutron scattering, neutron radiography, silicon doping, transmutation, training, activation analysis, geochronology
See also: every research reactor in Canada · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026