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铂金pt990和950哪个好
更新时间: 2020-11-10 00:00:00  

pt950的铂金含量为99.5%,pt990的铂金含量为99%,所以铂金pt950会更好一些。

拓展资料:1、硬度,PT990的铂金纯度高,含有99%的铂金,所以硬度较PT950更软,相比之下PT950更适合做首饰。

2、价值上,PT990含有99%的铂金,含1%的钯、铑、铱,而PT950含有5%的钯、铑、铱,因为钯、铑、铱等金属比铂更稀有、更贵重,所以还是PT950得更好。

Pt950,指含有95%铂金成份的饰品,含钯、铑、铱5%,硬度仍然相对较低,一般用于素铂金首饰;

关键词: pt990 哪个

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