| Type |
Resistivity
(μΩm) |
Shore Hardness |
Bulk density
(g/cm3) |
Flexural strength
(MPa) |
Contact pressure drop
(V) |
Friction coefficient |
Rated current density
(g/cm2 ) |
Allow circumference speed
(m/s) |
The main purpose |
| CA345 |
0.76 |
28 |
2.65 |
21.9 |
L |
L |
13 |
30 |
A/C blower motor,alternator.accessory motor |
| CM8100 |
0.83 |
28 |
2.63 |
29.2 |
VL |
L |
13 |
30 |
| CM8130 |
3.43 |
30 |
2.68 |
26.7 |
L |
L |
13 |
30 |
| CM8105 |
0.70 |
25 |
2.63 |
19.5 |
VL |
L |
13 |
30 |
| CM5H |
0.51 |
11 |
3.65 |
12.6 |
VL |
L |
12 |
30 |
slip ring
|
| CM802 |
0.52 |
20 |
3.85 |
34.5 |
VL |
L |
19 |
25 |
12V starter,motorcycle starter |
| CM836 |
0.51 |
22 |
3.68 |
44.6 |
VL |
L |
19 |
25 |
12V starter |
CM8121
GA |
0.76 |
20 |
3.45 |
38.9 |
VL |
L |
13 |
30 |
Automovite starter,A/C Blower motor accessory motor,B/V application |
CM835
GA |
0.09 |
7 |
6.75 |
79.8 |
L |
M |
20 |
25 |
12V starter,slid contacts,DC motor |
| CM871 |
0.43 |
21.5 |
3.88 |
44.7 |
L |
L |
13 |
30 |
| CM896 |
0.11 |
11.5 |
5.75 |
48.6 |
VL |
L |
20 |
25 |
| CN880 |
1.50 |
26 |
2.425 |
26.3 |
L |
L |
13 |
30 |
Heater blower,accessory motor |
| |
| J215 |
5.00 |
78* |
2.70 |
/ |
≤1.6 |
≤0.25 |
15 |
20 |
Automotive alternator,A/C blower |
| J245 |
0.65 |
76* |
4.60 |
/ |
≤0.856 |
≤0.25 |
15 |
15 |
12V starter |
| J240 |
2.50 |
86* |
3.35 |
/ |
≤1.3 |
≤0.25 |
15 |
35 |
Starter,slip ring |
Notes: 1 contact buck:
Very Hight ≥3.6 V
Hight 2.4V-3.6V
Medium 1.4V-2.3V
Low 0.8V-1.3V
Very Low ≤0.8V
|
2 friction coefficient:
Hight ≥0.20
Medium 0.15-0.20
Low 0.10-0.15
Very Low ≤0.10
|
３*-Rockwell hardness |
|
