| Shield Method | Shield
Effectiveness (Low Frequency) |
Shield
Effectiveness (High Frequency) |
Percent Coverage |
Flexlife | EMI/RFI EMP |
| Copper Braid | Excellent | Excellent | 60-95% | Fair | Fair |
| Aluminum Mylar | Excellent | Excellent | 100% | Poor | Poor |
| Spiral Copper | Good | Fair | 80-98% | Good | Poor |
| Semiconductive | Fair | Poor | 100% | Good | Poor |
| Steel Braid | Excellent | Excellent | 60-95% | Fair | Exlnt |