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LPG : Properties

GAIL LPG : Typical Specifications (Meeting IS 4576 Specifications)

CHEMICAL

	Sr.No. Component Unit Specification 1 C2( Ethane) Vol % 0.2 - 1.0 2 C3( Propane) Vol % 0.2 - 1.0 3 C4( Butane) Vol % 37- 47 4 C5(Pentane) and Heavier Vol % 1.5-2.5(Max.) 5 Total Olefins Vol % NIL 6 Corrosive Compounds copper Strip Not worse than 1 7 H2S PPM NIL 8 Sulphur ( Volatile) PPM NIL 9 Total Water Content None 10 Calorific Value(Gross) Kcal/kg 12500 11 Moisture NIL

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PHYSICAL

	Sr.No Property Data 1 Chemical Formula Mix of mainly C4H10 & C3H8 2 Boiling Point 200C to -270C 3 Explosive Limit 1.5-9.0 4 Vapour Density(Air=1) 1.8 5 Specific Gravity(Liquid) 0.53-0.54 6 Appearance Colourless 7 Odour Odourless** 8 Physical State Compressed Liquid 9 Vapour Pressure at 40 0C 1050 KPa(Max)

**LPG is odourless but Mercapteen is added as per IS - 4576.

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