1. Saj zawg zog suab.
2. Zoo elasticity, tsis muaj blockage lossis nruj.
3. Lub teeb yuag thiab sib xws txoj kab uas hla.
4. Zoo yoog raws, rov khoov dua, thiab pliability.
5. Zoo corrosion kuj thiab kub kub kuj.
6. Nav-pov thawj thiab puas- tiv taus, tiv thaiv kev puas tsuaj rau cov xov hlau sab hauv.
7. Muaj zog dabtsi yog khoov, tensile, thiab lateral siab tsis kam.
8. Mos, du, thiab yooj yim rau xov, nruab, thiab txoj hauj lwm.
