Coated simbi pombiinogadzirwa nekuputira epurasitiki yakavakirwa pahombe-diameter spiral welded pombi uye yakakwirira-frequency welded pombi. Iyo yakanyanya dhayamita yepombi ndeye 1200mm. Polyvinyl chloride (PVC), polyethylene (PE), epoxy inogona kuvharidzirwa zvichienderana nezvinodiwa zvakasiyana. Resin (EPOZY) nemamwe machira epurasitiki ane zvinhu zvakasiyana-siyana, kunamatira kwakanaka, kusimba kwakasimba-kusagadzikana, kupikisa kune yakasimba acids, alkalis yakasimba uye mamwe makemikari ekuora, asina chepfu, asingaparadzi, asingapfeke, anopikisa, uye akasimba. kupinda mukati, Kumusoro kwepombi kwakatsetseka uye hakubatire kune chero chinhu, chinogona kuderedza kupikisa panguva yekufambisa, kuwedzera kuyerera uye kushanda zvakanaka kwekufambisa, uye kuderedza kurasikirwa kwekumanikidza kwekufambisa. Iko hakuna chinonyungudutsa uye hapana exudate chinhu mujasi, saka haizosvibisa iyo inofambiswa svikiro, kuve nechokwadi kuchena uye hutsanana hwemvura. Inogona kushandiswa zvakasiyana nekutonhora uye kupisa kutenderera muhuwandu hwe -40 ℃ kusvika +80 ℃, pasina kuchembera, Haina kuputika, saka inogona kushandiswa munzvimbo dzakaoma dzakadai sematunhu anotonhora.