| Material |
Composition
(%) |
Density
(g/cm3) |
Melting
(Temp,℃) |
Hardness
(HV) |
Electrical
Conductivity
(IACS%) |
Resistivity
(μΩ.cm) |
Features |
Application |
| Pure Ag |
99.99up |
10.48 |
960 |
500 |
99 |
1.75 |
High electrical and thermal conductivity, typical contact material. |
Thermostat
Micro Relay
Rotary Switch
Telephone
Mini Breaker
Home Switch |
| AgNi |
AgNi0.15 |
10.48 |
960 |
600 |
96 |
1.90 |
Annealing material except Ag-0.03%Ni. Ag-0.03%Ni is used as a replacement for Ag. Low contact resistance. Good abrasion resistance, but less welding resistant than Ag-CdO. |
Electrical Contact for DC
Rotary Switch
Home Breaker
Circuit Switch |
| AgNi10 |
10.20 |
960 |
630 |
82 |
2.10 |
| AgNi20 |
10.00 |
1220 |
780 |
75 |
2.30 |
| AgCu |
AgCu5 |
10.40 |
778 |
441 |
88 |
1.96 |
Good electrical and thermal conductivity, mechanical strength and low cost. Lacks resistance to oxidation and corrosion. Suitable for contacts with large contact force. |
Rotary switch
Thermostat
Switch, Relay,
Home Switch |
| AgCu10 |
10.30 |
890 |
607 |
83 |
2.08 |
| AgCdO |
AgCdO8 |
10.35 |
960 |
600 |
86 |
2.00 |
Superior welding and wear resistance, stable contact resistance and excellent electrical and thermal conductivity, which are important factors for contacts. |
Relay and Switch for AC
Home Breaker
Magnet Switch
Heavy Duty Connector |
| AgCdO10 |
10.30 |
960 |
686 |
82 |
2.10 |
| AgCdO12 |
10.20 |
960 |
686 |
75 |
2.30 |
| AgCdO15 |
10.10 |
960 |
784 |
64 |
2.70 |
| AgSnO2 |
AgSnO28 |
9.90 |
960 |
930 |
69 |
2.50 |
Superior welding and wear resistance and are adopted widely in multi-purpose relays and switches, etc, as well as for various automotive uses. |
AC Switch & Relay
Home Breaker |
| AgSnO210 |
9.80 |
960 |
950 |
64 |
2.70 |
| AgSnO212 |
9.70 |
960 |
980 |
57 |
3.00 |
| AgSnO2InO3 |
AgSnO2InO310 |
9.75 |
960 |
780 |
54 |
3.20 |
Good durability and welding resistance. But it performs worse than that of AgCdO in elevating temperature, therefore it is widely used in electrical switch of 80A~600A. |
High Load relay
switch Relay and Switch
Magnet Switch,
Circuit Breaker |
| AgSnO2InO312 |
9.70 |
960 |
800 |
50 |
3.4 |
| AgPd |
AgPd30 |
10.90 |
940 |
931 |
11 |
15.6 |
High hardness, good abrasion resistance. Addition of Ag reduces catalytic activity. Addition of over 30% Ag lessens sulfurization resistance. |
Telephone relay,
Commutator brush,
Thermostat (Small DC) |
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