The number one issue is that the graphite molds are sensitive to relative humidity.
Best results occur IF you pre-heat the mold in your oven the night before.
This drives out the humidity/water...
Then the mold does NOT explode upon the heat of burning...
Aluminum and Magnesium powdered metal...
Which is what drives the whole equation.
ERICO has competition.
Check around...
Last edited by Tesla; 05/22/10 05:52 AM.
