Takaitaccen Bayani:

Siffar Samfurin:
1. Babban porosity don tabbatar da mafi girma ya kwarara ta kowane yanki;
2. Smooth m surface, najasa ba su da sauki mannewa, baya wanke sauki da kuma sosai;
3. Ƙwarewar ƙazanta: ƙananan girman tace don kada a iya riƙe datti a jikin tacewa;
4. Juriya ga karfi acid, alkali lalata, juriya ga kwayoyin kaushi;
5. Kyakkyawan kayan aikin injiniya;
6. Babu sakin barbashi.
7. Faɗin samfuri da fa'idar aikace-aikace