Kɔbere busbars a ɛyɛ den (HV bɛyɛ 70-90) ne ahoɔden a ɛma wonya (200-300 mpa) no korɔn sen nea ɛwɔ aluminium busbars a ɛho tew (HV bɛyɛ 20-30, yield strength 50-70 mpa). Wɔ mmeae a wosow kɛse anaasɛ mfiri mu nhyɛso wɔ hɔ (te sɛ keteke akwantu) no, kɔbere busbars tumi gyina deformation ano yiye. Nanso, wobetumi ama aluminium nnua ahoɔden akɔ soro kɛse denam aduru a wɔde fra (te sɛ magnesium anaa silicon a wɔde bɛka ho) so. Ahoɔden a ɛma aba 6063 aluminium alloy betumi adu 240MPa, bɛn kɔbere nnua dodow, bere a ɛkɔ so kura mu duru a emu yɛ hare kakra.
Wɔ processability ho no, ductility a kɔbere nnua (elongation rate 45%-50%) ma ɛyɛ mmerɛw sɛ wɔbɛkotow na wɔabɔ, nanso sɛ wɔreyɛ aluminium nnua ho adwuma ayɛ no nsusuwii a ɛyɛ den a, ɛsɛ sɛ wosusuw springback asɛm no ho. Sɛ́ nhama a ɛyɛ mmerɛw no, wontumi nsi nhama ananmu wɔ tebea horow a baabi sua anaasɛ ɛho hia sɛ wɔde nkitahodi a ɛyɛ nnam te sɛ robɔt nkwaa di dwuma mu. Nanso, wɔn contact resistance ne ɔhyew a wɔsɛe no yɛ mmerɛw sen nea ɛwɔ rigid conductors.