The canisters, made of oxygen-free copper, will have a guaranteed life of 100,000 years and an expected endurance of much more.
The initial phase of the programme involves some 4000 casks, each of 15 tonnes and holding 2 tonnes of spent fuel.
Serving the nuclear industry since 1956
Sweden has selected copper as the metal to encapsulate its spent nuclear fuel when deep geological disposal starts in 2015.
The canisters, made of oxygen-free copper, will have a guaranteed life of 100,000 years and an expected endurance of much more.
The initial phase of the programme involves some 4000 casks, each of 15 tonnes and holding 2 tonnes of spent fuel.