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SILVER CADMIUM OXIDE

 
Characteristics and Applications

Contact Material

Properties

Main Applications

Delivery Forms

AgCdO(10-20)

CdO particles are finely distributed in Ag matrix.  Under the action of arc, CdO decomposes and vaporizes, which cools down the contact surface, so as to lower the arc energy and extinguish the arc.  This material is of high welding resistance and electric wear resistance, low and stable contact resistance.  by increasing CdO content, the welding resistance of the material can be improved, but the contact resistance and temperature rise will also increase.

Widely used to relays, contactors and AC/DC switches for medium or large current, circuit breakers for medium or small current; specially fit for AC contactors for medium or large current.

Wire, tip or rivet


Mechanical and Physical Properties

 

Processing
Method

Product Form

Product
State

Tensile Strength
MPa

Elongation Rate
%

Density
g/cm3

Resistivity
̦cm

Hardness
(HV)

AgCdO(12) -IOE-W

Internal oxidazation & extrusion

Wire

Semi-hard

270~290

25

10.10

2.10

80~90

AgCdO(12) -ASE-W

Atomization, sintering and extrusion

Wire

Semi-hard

280~300

20

10.05

2.15

85~95

AgCdO(15) -IOE-W

Internal oxidazation & extrusion

Wire

Semi-hard

280~300

18

10.00

2.20

85~95

AgCdO(17) -IOE-W

Internal oxidazation & extrusion

Wire

Semi-hard

290~310

15

9.90

2.25

85~95

AgCdO(12)/Ag-IO-T

Internal oxidization

Tip

 /

/

/

10.00

3.30

80~90

AgCdO(12)/Ag-ASE-T

Atomization, sintering and extrusion

Tip

 Annealed

/

/

10.05

2.15

85~95




AgCdO(12)/Ag-ASE-T 200X

 

 

AgCdO(12)/Ag-IO-T 200X

 

 

AgCdO(12)-ASE-W 2.38 200X

 

 

AgCdO(17)-IOE-W 3.8 200X

 
 
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