What type of lube is best to use for the blades on a cross-cut shredder?

I have all sorts of lube in my home workshop and I don't want to go and
buy some special shredder oil if it's hardly any different to what I've
got.

http://inkandstuff2.co.uk/images/bb35250.jpg
http://www.buyonlinenow.com/images/fullsize/NEW-GBC1760049.JPG
http://www.discountshredders.com/596...redderAccessor
y.Aerosollarge.jpg


Is a silicon/PTFE spray the sort of thing I should use? (See the last
image above)