A refractory protective coat has been developed that greatly reduces scale formation and is capable of lowering sandblasted casting roughness 30 to 50%. When applied as a thin film to the refractory model, it remains as a tacky base which will fix wax and plastic.
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References
1.
Mabie, C.P.: Petrographic Studies of the Re-factory Performance of High-Fusing Dental Alloy InvestmentsI. High-Fired, Phosphate-Bonded Investments, J Dent Res52:96-110, 1973.
2.
Mabie, C.P.: Petrographic Study of the Refractory Performance of High-Fusing Dental Alloy Investments: II. Silica-Bonded Investments, J Dent Res52: 758-773, 1973.
