It was about 10 litres of liquid nitrogen, in the normal insulated holder. There was a demonstration with liquid nitrogen, and there was some left over, so the 2IC said "lets have some fun."
He found a padlock, and attached a chain to the end, dunked it, and than dropped in on the cement floor, indoors. Afterwards, he dunked the remainder of the chain and broke it also. Than, he started looking for a boot...
I'm NOT interested in the destruction of locks, I was just curious if it may work. (the spray) The only thing I seem to break around locks is picks... they were cheap.
