... Contacts Material:Ag,AgCdO,AgNi,AgSnO,AgZnO Item name: Switch Contacts, Sliver Alloy Rivets Contacts Specifications1.Material: AgSnO,AgCdO ... in electrical apparatus which are sliding and rubing during on-and -off peration. Silver-Cadmium Oxide·Wire Materials·Electrical Contacts· ... decomposing under the arcing action, The Violent evaporation blow off the arcing as decomposing, and purify the face of ...