[GregTech-6][1.7.10] Moved to Website [Closed] Higgs December 28, 2012 at 12:15 PM 2.73a makes tin dust melt into copper bars.2.72c does not.Tried with only .170 IC2, Gregtech and NEI installed. Removing all configs before start and creating new worlds. (Forge .489)http://imgur.com/YLb6C