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S.N0. | Characteristics | Method No. | Requirement for Commercial | |||
Butane | Butane-Propane mixture | Propane | ||||
1 | Density at 15°C,Kg/m3 | [P:76]/ISO3993
D 1657 |
Report | Report | Report | |
2 | Vapour pressure at 40°C, kPa, gauge, Max. | [P:71]/ASTM D 1267/D6897 | 520 | 1050
|
1550 | |
3 | Composition, Liquid volume percent
a) C2 Hydrocarbons b) C3 Hydrocarbons c) C4 Hydrocarbons d) C5 Hydrocarbons and heavier OR |
ASTM D 2163/
[P:151] |
— Report Report 2.5 Max |
Report Report Report 2.5 Max |
Report 95.0 Min 4.0 Max 0.2 Max
|
|
Volatility: Evaporation temperature in °C for 95 percent by volume at 760 mm Hg pressure, Max. | ASTM D 1837-2011/[P:72] | 2.2 | 2.2 | -38.0 | ||
4 | Total Volatile Sulphur ppm, Max. | ASTM D 3246/D6667 | 140 | 140 | 150 | |
5 | Copper strip corrosion at 38°C for 1 h | ASTM D 1838 / [P:152]/ISO6251 | Not worse than No. 1 | |||
6 | Hydrogen Sulphide | ASTM D 2420/[P:73] | Pass the test | |||
7 | Moisture Content | – | — | — | Pass | |
8 | Free Water Content. | – | None | None | — | |
9 | Caustic test | Pass | Pass | Pass |