| material | diameter | ||||
| 0.5 mm | 0.6 mm | 0.7 mm | |||
| copper wire | 20.6 mW・m−2 | 21.0 mW・m−2 | 21.6 mW・m−2 | ||
| silver wire | 22.4 mW・m−2 | 22.7 mW・m−2 | 22.7 mW・m−2 | ||
| SUS304 wire | 39.0 mW・m−2 | 40.3 mW・m−2 | 40.9 mW・m−2 | ||