Welcome to The BRIDGE, the social and information hub of the dental lab industry. Connect with industry peers and vendors, ask questions, sign up for events, review products, read LMT articles and industry news and more!
If you are using base metal alloys frequently, you may want to look at using some type of furnace purging material. It will help to remove many contaminants that attach themselves to the muffle and thermocouple. You would want to do this weekly if using predominantly base metal alloy.
It is always best to follow the manufacturers recommendation for surface treatment of the alloys, although, all of these recommendations are great.