Silver contacts has good electrical donductivity and its surface is not liable to oxidization. Silver contact1. Speciticatons:Head diameter:2mm-8mmSilver thickness:0.15-solidShank dimension:1-4mmContact type:rivet / buttonPlating type: Ag, CuAll dimensions are fully according to cutomers.2. Material:Fase material: AnCu (AgCu,AgCd,AgCdO,AgZnO,AgSnO2,AgSnO2,AgsnO2In2O3).Base material: Ag,Cu.AgSnO2, ...