04-13-2013, 07:50 PM
John,
After the cores are hardened with CO2 is there any way to recover the sand? i.e. to "un-CO2" it? Not that sand is all that expensive and throwing the core away would be a big loss. But you seem to take such care to recover the other casting sand so I was curious.
After the cores are hardened with CO2 is there any way to recover the sand? i.e. to "un-CO2" it? Not that sand is all that expensive and throwing the core away would be a big loss. But you seem to take such care to recover the other casting sand so I was curious.