1. Hygienic, ti kii ṣe majele, ko si eefin, ko si awọn microorganisms, ati iṣeduro didara omi

2. Resistance si ipata kemikali, ile ati tona ipata oganisimu, cathodic disbondment resistance

3. Ilana fifi sori ẹrọ jẹ ogbo, rọrun, ati yara, ati asopọ naa jẹ iru si paipu galvanized arinrin

4. Idaabobo oju ojo ti o dara, o dara fun awọn agbegbe ti o lagbara gẹgẹbi awọn aginju ati saline-alkali

5. Odi paipu didan, mu ilọsiwaju gbigbe ṣiṣẹ ati igbesi aye iṣẹ pipẹ