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Product Info & FAQ

What is LPG or LP Gas?

LPG or LP Gas is the abbreviation of Liquified Petroleum Gas. This group of products includes saturated Hydrocarbons - Propane (C3H8) and Butane (C4H10), which can be stored/transported separately or as a mixture. They exist as gases at normal room temperature and atmospheric pressure.

Why is it called Liquified Petroleum Gas?

p>This is because these gases liquify under moderate pressure. They liquify at moderate pressures, readily vaporising upon release of pressure. It is this property that permits transportation of and storage of LP Gas in concentrated liquid form.

Where does LPG come from?

LPG comes from two sources. It can be obtained from the refining of crude oil. When produced this way, it is generally in pressurized form. LPG is also extracted from natural gas or crude oil streams coming from underground reservoirs. Sixty percent (60%) of LPG in the world today is produced this way whereas 40% of LPG is extracted from refining of crude oil.

What is commercial Propane and Butane?

Ideally, products referred to as propane and butane consist very largely of these saturated hydrocarbons. However, during the process of extraction/production certain allowable unsaturated hydrocarbons like ethylene, propylene, butylenes etc may be included in the mixture along with pure propane and butane. The presence of these in moderate amounts would not affect LPG in terms of combustion but may affect other properties slightly (such as corrosiveness or gum formation).

How is LPG seen & felt?

  • It is colourless and cannot be seen.
  • It is odourless. Hence LPG is odourised by adding an odorant prior to supply to the user, to aid the detection of any leaks.
  • It is slightly heavier than air and hence if there is a leak it flows to lower lying areas.
  • In liquid form, its density is half that of water and hence it floats initially before it is vapourized.
  • It is non-toxic but can cause asphyxiation in very high concentrations in air.

LPG expands upon release and 1 litre of liquid will form approximately 250 litres of vapour.

What is LPG used for?

LPG is used as a fuel for domestic (cooking), industrial, horticultural, agricultural, heating and drying processes. LPG can be used as an automotive fuel or as a propellant for aerosols, in addition to other specialist applications. LPG can also be used to provide lighting through the use of pressure lanterns.

What are the advantages of LPG?

The advantages of LPG are as follows:

  • Due to its relatively fewer components, it is easy to achieve the correct fuel to air mix ratio that allows the complete combustion of the product. This gives LPG its clean burning characteristics.
  • Propane is easily liquified and stored in pressure containers. These properties make the fuel highly portable, and hence, can be easily transported in cylinders or tanks to end-users.
  • LPG is a good substitute for petrol in spark ignition engines. Its clean burning properties, in a properly tuned engine, give reduced exhaust emissions, extended lubricant and spark plug life.
  • As a replacement for aerosol propellants and refrigerants, LPG provides alternatives to fluorocarbons, which are known to cause deterioration of the earth's ozone layer.

The clean burning properties and portability of LPG provide a substitute for traditional fuels such as wood, coal, and other organic matter. This provides a solution to de-forestation and the reduction of particulate matter in the atmosphere (haze), caused by burning the traditional fuels.