| 简介 |
PURPOSE : A restoration alloy for dental prosthesis is provided to lower the content of gold by 78-80wt%, and to supplement strength and hardness by adding silver, and to lower manufacturing costs. CONSTITUTION : A restoration alloy for dental prosthesis contains 60.0-78.0wt% of gold(Au), 16.6-35.0wt% of silver(Ag), 5.0-7.3wt% of copper(Cu), 001-0.2wt% of zinc(Zn), and other unnecessary impurities. The zinc is supplied in a Cu-Zn mother alloy. The Cu-Zn mother alloy is a bronze-based copper alloy. |
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