Kayan filastik peek-barana gf, cf don kayan aikin wutar lantarki

Peek shine ƙwayar thermoplastic tare da kyakkyawan injiniya da kuma kyakkyawan tsarin juriya da ke riƙe da su zuwa babban yanayin zafi. Halin sarrafawa da aka yi amfani da shi don mold peek na iya yin tasiri cikin kukan na da kuma saboda haka kayan aikin injin. Matashinta na samari yana da 3.6 GPA da ƙarfinta shine 90 zuwa 100 MPA. [5] Peek yana da zafin jiki na gilashi na kusan 143 ° C (289 ° F) kuma ya narke kusan 343 ° C (662 ° F). Wasu maki suna da zafin jiki mai amfani na har zuwa 250 ° C (482 ° F). [3] Aikin da ke da zafi yana ƙaruwa kusan layi tare da zazzabi tsakanin ɗakin zafin jiki da zafin jiki. [6] Yana da matukar tsayayya ga lalacewar thermal, [7] Kazalika da kai hari da yanayin halittar kwayoyin halitta. Halogens da karfi ya kai hari da kuma lewis acid, kazalika da wasu mahadi na lalata da aliphatic hydrocarbons a babban yanayin zafi. Yana da narkewa cikin dogon acid a zazzabi a ɗakin, kodayake a cikin wani nau'i na babban foda, kamar foda mai kyau ko na bakin ciki fim. Yana da babban juriya ga biodegradation.