Propylene.
| Sl. No. | Characteristics | Unit | Method No. | Requirement | |
| Minimum | Maximum | ||||
| 1 | Propylene, Min | % Vol | ASTM D 2163 | 95.0 | |
| 2 | Propane + Ethane | % Vol | ASTM D 2163 | 5.0 | |
| 3 | Methane | % Vol | ASTM D 2163 | 0.1 | |
| 4 | Ethane & Ethylene | ppm | ASTM D 2163 | 20 | |
| 5 | Propadiene+ Methyl Acetylene+Acetylene |
ppm | ASTM D 2163 | 20 | |
| 6 | C4’s and Heavier | ppm | ASTM D 2163 | 400 | |
| 7 | Sulphur | ppm | ASTM D 6667/ ASTM D 3246 |
30 | |
