| Methane | 98.48 % |
| Ethane | 0.28 % |
| Nitrogen | 1.11 % |
| Propane | 0.11 % |
| Carbon dioxide | 0.02 % |
| Sulfur | 25 mg/nm3 |
| Density | 0.677 kg/nm3 |
| Calorific value | 7 980 ccal/nm3 |
As you can see, the main component of natural gas is methane. That is why the basic properties of natural gas are almost the same as methane; no color, fiery and extremely explosive. It is lighter than air for this reason, if there is a gap in an enclosed space, it accumulates in the up.