| Nominal Size ( in mm) | Outside Diameter | Tolerance on OD | Inside Diameter ( in mm) | ||
| Light | Medium | Heavy | |||
| 16 | 16 | -0.3 | 13.7 | 13.0 | 12.2 |
| 20 | 20 | -0.3 | 17.4 | 16.9 | 15.8 |
| 25 | 25 | -0.4 | 22.1 | 21.4 | 20.6 |
| 32 | 32 | -0.4 | 28.6 | 27.8 | 26.6 |
| 40 | 40 | -0.4 | 35.8 | 35.4 | 34.4 |
| 50 | 50 | -0.5 | 45.1 | 44.3 | 43.2 |
| 63 | 63 | -0.6 | 57.0 | - | - |
| Specification | PVC Electrical Conduit Pipe | Units |
| Specific Gravity | 1.40-1.43 | Grams/Cm3 |
| Specific Heat | 0.25 | Kcal./kg/0C |
| Thermal Conductivity | 0.13 | Kcal./gm/0C |
| Co-efficient of Linear Expression (Max) | 5.0 X 10 | mm/0C |
| Vicat softening Temperature | 850C | At 1 Kg Load |
| Vicat softening Temperature | 790C | At 5 Kg Load |
| Tensile Strength @200C (Min) | 500 | Kg/cm2 |
| Elongation (Min) | 80 | % |
| Modules of Elacticity | 1200-1500 | MPa |
| Water Absorption | <4 | Mg/cm2 |
| Hardness Shore-D | 85-90 | |
| Flammability | Self Extinguishing |