PARTIAL DENTURES – What is the maximum temperature refractory model may be dried?
1. The maximum temperature for the dehydration process is 450 degrees Fahrenheit. 2. Thermal expansion for most investments begins at 500 degrees Fahrenheit. If you are taking the investment to 450 degrees Fahrenheit make sure the oven is properly calibrated. Otherwise, you will wax the framework on a model that has begun the thermal expansion process.