LPG stands for “Liquefied Petroleum Gas”. LPG is a mixture of flammable hydrocarbon gases that include propane, butane, isobutane and mixtures of the three LPG gases. LPG is commonly used for home heating, cooking, hot water, and autogas – fuel for LPG cars and vehicles.
LPG Specification:
| Parameter | Specifications Value/ Range (To meet the need of Domestic, Commercial & Bulk Customers) | Test Method |
|---|---|---|
| Specific Gravity 15 C kg/m3 | 0.550-0.570 | ASTM-D 2598 |
| Vapor pressure, gauge, 100oF, kPa | 550-700 | ASTM-D 2598 |
| Methane | Report | ASTM-D 2163 |
| C2 Content | Report | ASTM-D 2163 |
| C3 Content | V / V % 25-35 | ASTM-D 2163 |
| C4 Content | V / V% 65-75 | ASTM-D 2163 |
| C5+ Content | Mol% 0.50 max | ASTM-D 2163 |
| 1,3 butadiene | Nil | ASTM-D 2163 |
| Olefin | Mol % 3.0 max | ASTM-D 2163 |
| Total Unsaturates | Mol% 3.5 max | ASTM-D 2163 |
| Gross Calorific value (BTU/CF) @ 60oF | 2900-3100 | ASTM-D 2598 |
| Gross Calorific value (Kcal/Kg) @ 60oF | 11,700-11,800 | ASTM-D 2598 |
| Vapor density @ 100F (kg/m3) | Approx-2.30 | ASTM-D 2598 |
| Residue on evaporation(ml/100ml) @100oF | 0.05max | ASTM-D 2158 |
| Total Sulphur, ppm (wt) | 50 Max | ASTM-D 2784 |
| Free water content | Nil | Visual |
| Corrosion Cu Strip 1 hour at 37.8 C | 1 Max | ASTM-D 1838 |
| Odor – Ethyle Mercaptan ppm (wt) | 15 Max | BS 4250 |
| Hydrogen Sulfide ppm (wt) | 10 Max | SLS 1169 |
| MON | 89 Min | ASTM-D 2598 |
| Oil Stain (2 min) | Pass |