Docs Casting Plaster

For those most difficult resin Cad-Cam models... If you are using this material to simply overcome the defects that you encounter from the use of carving or RP waxes, you can just as well use a normal jewelry burnout cycle in the same oven as your normal daily production flasks. Method B: (Smaller flasks or small flask-less castings) Note: Casting flask-less is ideal with this type of material · Program your oven controller for a ramp rate from 4 degrees per minute to a maximum of 10 degrees per minute. This investment material is very resistant to shock so your ramp up speed can be faster than with gypsum-bonded investment. · About 1 hour after investing, put the flask into an oven that is preheated to about 300 o F (150 o C), with the wax button facing down. · Ramp directly up to your top burnout temperature of about 1350 o F - 1600 o F, depending on the metal you are burning out. For photopolymer...