Waya PTC Alloy nwere ike iguzogide okpomọkụ dị n'etiti na oke okpomọkụ dị mma. A na-ejikarị ya eme ihe n'ọtụtụ ihe na-ekpo ọkụ. Ọ nwere ike ijikwa okpomọkụ na akpaghị aka ma gbanwee ike site na idobe ike na-adịgide adịgide na igbochi ọkụ. PTC alloy nwere ọtụtụ uru dịka njikwa okpomọkụ akpaka, njikwa ike akpaka, ike na-adịgide adịgide, mmachi ọkụ, nchekwa ike na ndụ bara uru ogologo oge.
Anyị nwere ike ịmepụta ọtụtụ ụdị waya PTC na-eguzogide. Ụfọdụ ndị ahịa na-akpọ waya NiFe kama waya PTC.
| Koodu | Dayameta mm | ||
| Waya | Mkpanaka | Mkpanaka waya | |
| NF13 | 0.05-8.0 | 12-30 | 8-14 |
| NF15 | 0.05-8.0 | 12-30 | 8-14 |
| NF20 | 0.05-8.0 | 12-30 | 8-14 |
| NF23 | 0.05-8.0 | 12-30 | 8-14 |
| NF25 | 0.05-8.0 | 12-30 | 8-14 |
| NF32 | 0.05-8.0 | 12-30 | 8-14 |
| NF36 | 0.05-8.0 | 12-30 | 8-14 |
| NF38 | 0.05-8.0 | 12-30 | 8-14 |
| NF40 | 0.05-8.0 | 12-30 | 8-14 |
| NF43 | 0.05-8.0 | 12-30 | 8-14 |
| NF46 | 0.05-8.0 | 12-30 | 8-14 |
| NF52 | 0.05-8.0 | 12-30 | 8-14 |
| NF60 | 0.05-8.0 | 12-30 | 8-14 |
| Akara alloy | Ihe kemịkalụ | |
| Ọ bụghị 100% | Fe 100% | |
| NF13 | 85-95 | Ezumike |
| NF15 | 75-85 | Ezumike |
| NF20 | 70-75 | Ezumike |
| NF23 | 60-65 | Ezumike |
| NF25 | 60-65 | Ezumike |
| NF32 | 50-55 | Ezumike |
| NF36 | 50-55 | Ezumike |
| NF38 | 50-55 | Ezumike |
| NF40 | 50-55 | Ezumike |
| NF43 | Afọ 45-50 | Ezumike |
| NF46 | Afọ 45-50 | Ezumike |
| NF52 | Afọ 45-50 | Ezumike |
| NF60 | Afọ 45-50 | Ezumike |
| Akara alloy | Nguzogide 20ºC | Oke ndidi |
| NF13 | 0.13 | ±0.02 |
| NF15 | 0.15 | ±0.02 |
| NF20 | 0.20 | ±0.02 |
| NF23 | 0.23 | ±0.02 |
| NF25 | 0.25 | ±0.02 |
| NF32 | 0.32 | ±0.02 |
| NF36 | 0.36 | ±0.02 |
| NF38 | 0.38 | ±0.02 |
| NF40 | 0.40 | ±0.02 |
| NF43 | 0.43 | ±0.02 |
| NF46 | 0.46 | ±0.02 |
| NF52 | 0.52 | ±0.02 |
| NF60 | 0.60 | ±0.02 |
150 0000 2421