| Property | Test Method | Polycarbonate | Type II PVC Sheet | Typical FRP | Steel (CS/SS) | Aluminum |
|---|---|---|---|---|---|---|
| UV Rating | UL 746C | F-1 | F-1 | F-2 | n/a | n/a |
| Flammability | UL 94 | 5VA | 5VA | V-0 | n/a | n/a |
| Heat Deflection Temp @ 264 PSI | D 648 | 270 | 179 | 400 | n/a | n/a |
| Impact Resistance (LB-IN) | UL746C | 500 | n/a | 216 | n/a | n/a |
| Notched Izod (ft/lb-in) | D 256 | 12 | 15 | 7 | n/a | n/a |
| Specific Gravity | D 792 | 1.21 | 1.45 | 1.95 | 7.83 | 2.8 |
| Temperature Range (F) | n/a | Minus 30 to Plus 270 | Plus 160 | Minus 40 to Plus 266 | n/a | n/a |
| Tensile Strength @ Yield (PSI) | D 638 | 9,000 | 7,400 | 8,000 | n/a | n/a |
| Dielectric Strength (Volts/MIL) | D 149 | 380 | 645 | 380 | n/a | n/a |
| Arc Resistance | D 495 | 90 Sec. | 80 Sec. | 200 Sec. | n/a | n/a |
| Water Absorption (% in 24 hrs) | D 570 | 0.15 | 0.07 | 0.25 | n/a | n/a |
| Compressive Strength (PSI) | D 695 | 12,500 | 8,000 | 20,000 | n/a | n/a |
| Flexural Strength (PSI) | D 790 | 13,200 | 8,000 | 17,000 | n/a | n/a |
