Instruction manual

OPERATING_MANUAL_MC20V.DOC 18.03.11 KS Seite 40
Blisters, Spalling
Cause Remedy
Flask being heated too rapidly during
de-wax.
Do not exceed 150ºC during de-wax.
Wax will boil and erode investment
surface.
Flasks overheated during burn out. Ensure maximum burn out
temperature does not exceed 730ºC.
Flasks put in furnace too soon after
investing
Leave flasks undisturbed for a
minimum of one hour before de-wax.