| Full Form | Galvanised Iron | Poly Vinyl Chloride | Chlorinated Poly Vinyl Chloride |
| Composition | Iron/ Zinc | Chlorine/ Ethylene/ Color Pigments/ Additives | Chlorine/ Ethylene/ Color Pigments/ Additives |
| Hot Water Lines | Only for Cold Water Supply / Can be used for Hot water supply with woolen insulation around the pipe. | Only for Cold Water Supply. | Both Hot & Cold Water Supply. |
| Durability | Very Good | Good | Good |
| Corrosion Resistance | No | Yes | Yes |
| Chlorine Resistance | Reactive to Chlorine | Reactive to Chlorine | Unaffected by Chlorine |
| Types of Pipe Quality (Gauge) | Class A (Low) / Class B(Medium) / Class C (Heavy) | Class 1/ Class 2/ Class3/ Class5 | Class 1 SDR 11/ Class 2 SDR 13.5 |
| Ductility | Poor | Good | Very Good |
