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Liquefied Petroleum Gas(LPG).

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

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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
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