ASTM-B488-01鍍金規格分類
Type(Purity):Type I 99.7% Gold minimum
Grades(Hardness): Grade C 130~200HV
內應力:500~700N/mm2
耐蝕性:硝酸、二氧化硫、氨蒸氣、硫化氫、鹽水噴霧