Vacuum Degassing
"Vacuum degassing is the process of using vacuum to remove gases from compounds which become entrapped in the mixture when mixing the components." To assure a bubble-free mold when mixing resin and silicone rubbers and slower setting harder resins, a vacuum chamber is required. A small vacuum chamber is needed for de-airing (eliminating air bubbles) for materials prior to their setting. The process is fairly straight forward. The casting or molding material is mixed according to the manufacturers directions.
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