
1. Tsawaita sandar sucker wani nau'in kayan aikin rami ne wanda ke yin famfo mai kyau don hana abrasion, ya dace musamman don yin famfo mai kyau da kuma rijiyar da ke fuskantar hanya, wanda a saman sandar sucker, a ƙarƙashin tsakiyar sandar sucker, jikin sandar da ke da nailan centralizer yana aiki mafi kyau.
Sanda mai tsotsa tana motsawa sama da ƙasa a cikin bututun, saboda nakasar roba ta sandar tsotsa, bangon bututun sandar sandar da mai yana da sauƙin yin gogayya, ti yana sa sandar tsotsa ta karye cikin sauƙi, mai tsotsa sandar tsotsa tana da sassauci mai ƙarfi, taɓa bangon bututu na iya rage gogayya na sanda da bututu, kuma yana iya ƙara tsawon rayuwar samar da na'urar famfo. Mai tsotsa yana da alaƙa da sandar tsotsa, diamita na waje na mai tsotsa ya fi diamita na waje da aka haɗa, don haka yana iya sa aikin tsakiya ya zama mai ƙarfi. An yi tsakiyar tsakiya da kayan da ke jure lalacewa mai ƙarfi, kuma an taɓa shi da bututun don rage gogayya don cimma manufar hana gogayya.
2.PA66
| Abu | Ƙayyadewa | Bukatun Fasaha | PA66 |
| 1 | Kayan Gwaji | Santsi kuma Ba Tare da Lalacewa ba | Santsi |
| 2 | Lanƙwasa Ƙarfin Mpa | ≧103 | 242.46 |
| 3 | Ƙarfin Tasirin Notch | ≧13 | 27.66 |
| 4 | Ma'aunin daidaitawa μ | ≦0.018 | 0.0173 |
| 5 | Zafin Zafi Narkewa ℃ | ≧180 | 220.85 |
| 6 | Asarar Girman Lalacewa g/cm³ | ≧0.073 | 0.0049 |
| 7 | Yawan nauyi kg/cm³ | 1.3-1.4 | 1.4 |
| 8 | MPa mai ƙarfi | / | 123.05 |
| 9 | Ƙaramin ƙarfi | / | 1500 |
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