Thread: Heater core, brass on the inside or copper? Proof!
View Single Post
Unread 05-31-2003, 02:39 AM   #19
pelle76
Cooling Savant
 
pelle76's Avatar
 
Join Date: Apr 2003
Location: Sweden, Skovde
Posts: 101
Default
Its the zinc oxidicing and forming a protective layer I guess...
pelle76 is offline   Reply With Quote