Conductors:
| Bare Copper |
Tinned Copper |
| Tinsel Conductor |
Alloys |
Compounds:
PROPERTIES OF INSULATING AND JACKETING COMPOUNDS
| Compound |
Nominal Specific Gravity |
Volt Breakdown (Volts/Mil) |
Abrasion Resistance |
Nominal Dielectric Constant |
Flame Retardant Properties |
Flexability |
Polyvinyl Chloride (PVC) |
1.37 |
500 |
Good |
5-8 |
Excellent |
Good |
Polyethylene Solid (PE) |
0.95 |
600 |
Good |
2-3 |
Poor |
Fair |
Polyethylene Foam |
0.50 |
n/a |
Poor |
1.5 |
Poor |
Good |
Teflon (FEP) |
2.20 |
600 |
Excellent |
2.1 |
Excellent |
Fair |
| Tefzel |
1.70 |
400 |
Excellent |
2.6 |
Excellent |
Fair |
| Nylon |
1.07 |
450 |
Excellent |
4.0 |
Poor |
Poor |
| Polypropylene |
0.91 |
650 |
Excellent |
2.2 |
Poor |
Poor |
| Polyurethane |
1.10 |
500 |
Excellent |
7.00 |
Poor |
Excellent |
Thermoplastic Elastomer (TPE) |
1.00 |
650 |
Excellent |
2.4 |
Good |
Good |
| Hytrel |
1.20 |
860 |
Excellent |
6.0 |
Fair |
Fair |
| Silicone |
1.32 |
600 |
Fair |
3.0 |
Fair |
Excellent |
Cable Shield Characteristics
| Shield Method |
Effectiveness (Low Frequency) |
Effectiveness (High Frequency) |
Coverage |
Flexlife |
EMI/RFI EMP |
| Copper Braid |
Excellent |
Excellent |
60-95% |
Fair |
Fair |
CU. Braid over Aluminum/Mylar |
Excellent |
Excellent |
100%^ |
Fair to Poor |
Excellent |
| Aluminum |
Excellent |
Excellent |
100% |
Poor |
Good |
Spiral Copper (Serve shield) |
Good |
Fair |
80-98% |
Good |
Poor |
| Semiconductive |
Fair |
Poor |
100% |
Good |
Poor |
| Steel Braid |
Excellent |
Excellent |
60-95% |
Fair |
Excellent |