大展生产无磷无氧铜块，其产品清洁，无油，铜离子释出稳定且铜成份高达99.99％以上，供应印刷电路板新式水平反脉冲制程设备使用。

元素\?格

16mm*14mm

12mm*14mm

8mm*14mm

铜Cu

≧99.99%

≧99.99%

≧99.99%

磷P

≦0.5ppm

≦0.5ppm

≦0.5ppm

银Ag

≦15.0ppm

≦15.0ppm

≦15.0ppm

硫S

≦10.0ppm

≦10.0ppm

≦10.0ppm

氧O

≦6.0ppm

≦6.0ppm

≦6.0ppm

 
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