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LPG Propane/Butane mixture

LPG around the world includes mixes of Propane and Butane. Propane has a low boiling point so it is more suited for colder environments. It evaporates at -42°C at atmospheric pressure. Butane doesn't burn well at lower temperatures, it evaporates at around 0°C at atmospheric pressure.

Mixture around Europe
Autogas grades


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Propane/butane mixture in countries around Europe

The table below contains a list of countries and most common propane/butane mixtures. This data should be seen only as to give you a perspective. Mixtures can vary from station to station and from company to company.

CountriesLPG GradesReported Propane/Butane mixture
AustriaAfrom 100%/0% to 80%/20%
BelgiumA60%/40% all year
Czech RepublicA-C60%/40% in winter,
40%/60% in summer
DenmarkA70%/30% from 1/09 to 31/05
FinlandA95%/5% from 1/09 to 31/05
FranceA-Cgrade A from 1/11 to 31/03,
grade C in summer
GermanyA-Egrade B from 01/12 to 31/03,
grade E in summer
GreeceD20%/80% all year
HungaryC40%/60% all year
IrelandA100%/0% all year
from 90%/10% to 20%/80% from 1/11 to 31/03,
grade D or E in summer
PolandA-Dgrade A from 1/11 to 31/03,
grade D in summer
SpainC35%/65% from 1/11 to 31/03
TurkeyB50%/50% from 1/11 to 31/03,
30%/70% in summer
United KingdomA100%/0% all year

Source , the European LPG Association

Autogas grades

The LPG grades are defined by the temperature at which they reach the minimum pressure of 150 kPa.

LPG gradesTemperaturePossible Propane/Butane mixtures
grade A-10°Cfrom 100%/0% to 60%/40%
grade B-5°Cfrom 60%/40% to 40%/60%
grade C0°Cfrom 40%/60% to 30%/70%
grade D+10°Cfrom 30%/70% to 10%/90%
grade E+20°Cfrom 10%/90% to 0%/100%

Other useful links on

Also check the LPG calculator or find your local LPG installer.