Product Material

AgCdO

General Description

AgCdO contacts belong to the group of the most widely used ones on the field of low voltage electric apparatus.They combine a satisfactory resistance against contact welding with a good arc erosion resistance and a fairly low contact resistance over its complete service life.They are produced with two different techniques,atomizing-sintering-However,Cd and CdO are considered to be hazardous to health and the environment,For this reason the use of AgCdO materials will be banned in a number of countries

Application Scope

Mainly used in almost every type of low voltage switching devices,They are typically used in microswitches,relays,light switches,contactors,switches for household appliances,some types of protective switches,as well as in certain types of circuit breakers.

Microstructure

AgCdO(ASE)       200X AgCdO(I.O)       200X

Material Properties

Tips AgCdO(ASE) AgCdO(I.O)
CdO Content(wt.%) 10±1 12±1 15±1 10±1 12±1 15±1 18±1
Density(g/cm³) ≥10.00 ≥9.90 ≥9.75 ≥10.00 ≥9.90 ≥9.75 ≥9.60
Elec.Resistivity(µΩ•cm) ≤2.20 ≤2.30 ≤2.50 ≤3.20 ≤3.40 ≤3.50 ≤3.60
Hardness HV (Mpa) ≥640 ≥690 ≥740 ≥690 ≥690 ≥740 ≥740
Manufacturing process Atomizing-Sintering-Extrusion Internall Oxidation

Wires

AgCdO(ASE)

AgCdO(I.O)

CdO Content(WT.%)

10±1

12±1

13.5±1

15±1

10±1

12±1

15±1

Density(g/cm³)

≥10.5

≥10.00

≥9.95

≥9.90

≥10.10

≥10.05

≥9.95

Elec.Resistivity(µΩ•cm)

≤2.25

≤2.30

≤2.35

≤2.40

≤2.10

≤2.15

≤2.25

Hardness HV (Mpa)

≥750

≥800

≥800

≥800

≥750

≥750

≥750

Tensile Strength(Mpa)

260-350

260-380

260-380

260-380

260-350

260-380

260-380

Elongation(％)

6-20

6-20

6-20

6-20

8-25

8-25

8-25

Manufacturing process

  Atomizing-Sintering-Extrusion

Internal Oxidation

Product Types

　 AgCdO(ASE) AgCdO(I.O)
CdO Content(WT.%) 10±1 12±1 13.5±1 15±1 10±1 12±1 15±1 18±1
Wires √ √ √ √ √ √ √ √
Strips 　 　 　 　 √ √ √ √
 Tips √ √ 　 √ √ √ √ √
Bimetal Stpips 　 √ 　 　 　 √ 　 　
Rivets √ √ √ √ √ √ √ √