Fuel Comparison Chart
CHEMTANE |
ACETYLENE |
PROYPLENE |
MAPP |
PROPANE |
NAT. GAS |
|
| Average Oxygen to Fuel Ratio | 3.4:1 | 1.5:1 | 3.0:1 | 3.0:1 | 4.0:1 | 2.0:1 |
| Heating Values: BTU's per Cu. Ft. | 2810 | 1470 | 2371 | 2380 | 2510 | 1050 |
| Cu. Ft. per of gas/liquid | 8.83 | 14.5 | 8.89 | 8.85 | 8.62 | 23.6 |
| Flame Temp in Oxygen - Degrees F | 5800 | 5589 | 5295 | 5301 | 4579 | 4600 |
| Weight compared to air | 1.5 | 0.91 | 1.47 | 1.48 | 1.52 | 0.55 |
| Limits of Flammability in air - % | 2.3 - 9.4 | 2.5 - 80.0 | 2.0 - 11.1 | 3.4 - 10.8 | 2.4 - 9.6 | 5.3 - 14.0 |
| Backfire Tendency | Low | High | Slight | Moderate | Low | Low |
| Maximum Pressure | Cylinder | 15 PSIG | Cylinder | Cylinder | Cylinder | Supply |
| Shock Sensitivity | Stable | Unstable | Stable | Unstable | Stable | Stable |