Oxidation contact produced by pre-oxidized and internal oxidation it has following properties:long life time of the contact High Quality bi-metal contact/contact component/pure silver rivet 1.Face material: Solid or bimetal PAg,AgCe0.5 AgCdO,AgSnO2,AgSnO2InO3,AgZnO,AgNi,ECT 2.Base material: Cu Normal:1.5mm-8.0mm,According to customers drawing or sample Silver thickness:0.15mm-solid; Normal:0.8-4. ...