roundcase sandcast / diecast what's the difference

[enforcer]

Hey there
I was just wondering what are the differances between diecast and sandcast cases ?
I had a read from this website( http://www.webgrafex.com/roundcase/duca ... ecast.html ) but are there any other diffence ?

[Peter Mc]

It has been said that sandcast are more porous so sometimes ooze oil ?