Saddle ṣiṣu ṣiṣu ni a ṣe lati sooro -ooru ati awọn pilasitik sooro kemikali, pẹlu polypropylene (PP), chloride polyvinyl (PVC), polyvinyl chloride chloride (CPVC) ati polyvinylidene fluoride (PVDF). O ni awọn ẹya bii aaye ofo nla, isubu titẹ kekere, iwọn gbigbe gbigbe gbigbe lọpọlọpọ, aaye ikun omi giga, olubasọrọ gaasi omi-omi, walẹ kan pato kekere, ṣiṣe gbigbe gbigbe lọpọlọpọ ati bẹbẹ lọ, ati iwọn otutu ohun elo ni awọn sakani media lati 60 si 280 ℃. Fun awọn idi wọnyi o jẹ lilo pupọ ni awọn ile-iṣọ iṣakojọpọ ni ile-iṣẹ epo, ile-iṣẹ kemikali, ile-iṣẹ alkali-Chloride, ile-iṣẹ gaasi edu ati aabo ayika, abbl.