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gold999
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It's been ages since I've used metal casting rings.
I've been having flash over on the metal collars and sometimes on the seating surfaces of Nobel Biocare gold adapts and 3i UCLA abutments.
The metal also goes inside the screw access hole form the top, but never to the screw seating surface - knock on wood !
I've thought of maybe trying the metal casting rings, which I used to use years ago.
I'm using ringless and have been burning out @ 1575* for 1 1/2 hours and using 20% special liquid for Bellavest SH investment and 2 winds on the centrifical casting machine.
I clean the collars with denatured alcohol and no wax pattern cleaner or debubblizer.
I'm using either Jensen JP1(54% Au) or Jensen Pulse N3((80% Pd)
I've been having flash over on the metal collars and sometimes on the seating surfaces of Nobel Biocare gold adapts and 3i UCLA abutments.
The metal also goes inside the screw access hole form the top, but never to the screw seating surface - knock on wood !
I've thought of maybe trying the metal casting rings, which I used to use years ago.
I'm using ringless and have been burning out @ 1575* for 1 1/2 hours and using 20% special liquid for Bellavest SH investment and 2 winds on the centrifical casting machine.
I clean the collars with denatured alcohol and no wax pattern cleaner or debubblizer.
I'm using either Jensen JP1(54% Au) or Jensen Pulse N3((80% Pd)