... AgNi /Cu Bimetal Rivet, AgCdO/Cu Bimetal Rivet etc which are widely used in Relays, Switches, Protectors, Thermostats ... your specific requirement. AgCdO/Cu Bimetal Rivet: This contact includes AgCdO10, AgCdO12, AgCdO15, and this kind of electrical ... contact material. The fine CdO gives the contact special properties. When the temperature is above900oC, CdO sublimes, which cools the contactor surface ...