LIQUIFIED PETROLEUM GAS(L P G)

Sr. No.	Characteristics	Commercial butane	Commercial butane propane mixture	Commercial propane	Method of test
1	Vapour Pressure @ 65Deg.C kg/cm2	10 Max	16.87 max	26 max	P-71
2	Volatility evaporate temp. in deg C for 95% vol. @ 760 mm pressure max	2	2	-38	P-72
3	Total volatile sulphur % by mass max.	0.02	0.02	0.02	P-34
4	Copper strip corrosion @ 38 deg C for one hour	Not worse than No.1			P-15
5	Hydrogen sulphide	absent	absent	absent	P-73
6	Dryness	No free entrained water		Shall pass the test	P-74
7	Odour	Level 2	Level 2	Level 2	P-75