Jadual di bawah adalah kesimpulan secara menyeluruh perbandingan HDPE pipe dan GI pipe.
- HDPE (High-density polyethylene)- High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a polyethylenethermoplastic made from petroleum. It is sometimes called "alkathene" or "polythene" when used for pipes.
- GI (Galvanized Iron)- These are carbon steel pipes, which have a zinc coating done using Galvanization process. Galvanizing may be done using two methods, Hot-dip galvanization and Electrogalvanization.