1. Bayyana buƙatun: zaɓi nau'in zafi (kamar fluorosilicone) don yanayin zafi mai girma, kuma kula da matakin rufewa a cikin filin lantarki.
2. Kwatancen siga: Kuskuren kauri yakamata ya zama ƙasa da ko daidai da ± 0.05mm, kuma rayuwar masana'antar masana'anta{2}} zanen silicone yawanci shine shekaru 5-8 (tushen bayanai: Ƙungiyar Masana'antar Rubber China).
3. Takaddun shaida: Ana buƙatar takaddun shaida na FDA don amfani da likita, kuma ana buƙatar gwajin gwajin wuta na UL94 don masana'antar kera motoci.