1.Place in a burnout furnace and preheat to approximately 1000 centigrade for 1-2 hours

8.Pour the creamy mixture into the prepared ring containing the wax pattern

Manipulation of Investment Material

5.Using a mixing spatula, mix for 15-30 seconds until all of the powder is mixed with the liquid

3.Using a vacuum mixing machine, vacuum mix for 30 -60 seconds

4.leaving it empty to receive the casting alloy.Working time is 2-4 minutes.6.7.9.