Liquefied petroleum gas or liquid petroleum gas (LPG or LP gas), also referred to as simply propane or butane, are flammable mixtures of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles.
| PROPANE | ||
|
Test Item |
Test Method |
Result |
|
Specific Gravity @ 15.6 /15.6 °C |
ASTM D2598 |
To be reported |
|
Vapor pressure (psig at 100 Deg.F) |
ASTM D1267 or D2598 | Max 200 |
|
Propane content (vol %) |
ASTM D2163 | Min 96.0 |
|
Ethane content (vol %) |
ASTM D2163 |
Max 2.0 |
|
Volatile residue (Butane+)(Vol %) |
ASTM D2163 |
Max 2.5 |
|
Residue on evaporation of 100ml |
ASTM D2158 |
Max 0.05 |
|
Oil stain observation |
ASTM D2158 |
Pass |
|
Copper corrosion |
ASTM D1838 | No. 1 strip |
|
Sulfur content (ppm) |
ASTM D1266 or D5453 |
Max 40 |
|
H2S |
ASTM D2420 or IP103 |
Negative |
|
Moisture |
ASTM D2713 or D1744 |
Pass |
| BUTANE | ||
|
Test Item |
Test Method |
Result |
|
Specific Gravity @ 15.6 /15.6 °C |
ASTM D2598 |
To be reported |
|
Vapor pressure (psig at 100 Deg.F) |
ASTM D1267 or D2598 | Max 70 |
|
Butane content (vol %) |
ASTM D2163 | Min 95.0 |
|
Volatile residue (Pentanc +)(vol%) |
ASTM D2163 |
Max 2.0 |
|
Copper corrosion |
ASTM D1838 | No. 1 strip |
|
Sulfur content (ppm) |
ASTM D1266 or D5453 |
Max 80 |
|
H2S |
ASTM D2420 |
Negative |
|
Free water |
Visual |
None |
