You are here » Home > Clean Facts > Aspen v Premium Unleaded


Aspen is the better choice for machinery and for you. Find out more about the technical details here: 


Technical Facts:

 ALKYLATE PETROL (Aspen 2 stroke and Aspen 4 stroke)  UNLEADED PUMP FUEL  
 Chemically stable/long storage life  Deteriorates rapidly/short storage life
 Designed for machinery with small engines  Designed for car engines
 95 RON, 92 MON  95 RON, 85 MON
 Labelled as harmful  Labelled as toxic
 Less than 10 hydrocarbons  Over 100 harmful hydrocarbons
 25% less hydrocarbon emissions than pump fuel  25% more hydrocarbon emissions than Aspen
 Less than 0.01% aromatic hydrocarbons  Up to 35% aromatic hydrocarbons
 Less than 0.01% Benzene content  Up to 1% Benzene content (volume)
 No Toluene content  Contains Toluene
 Only 2 ppm sulphur  10 ppm sulphur

 25% more hydrogen/burns cleaner/less soot production = cleaner engines


 Ethanol content Nil

 Ethanol content 5-10%












 Type of Hazard  Aspen  Premium Unleaded       
Total Hydrocarbons - can cause health implications from headaches to cancer 8.1 10.5
Benzene  - can cause leukaemia and genetic damage 0.01 0.5
Aromatic Hydrocarbons - can damage the nervous system. Can cause fatigue and nausea 0.01 4.0
Nitrogen Oxide - can cause acid rain and can irritate eyes/respiratory organs 0.52 1.0
Carbon Monoxide - deadly poison which can block blood's ability to absorb oxygen 160 200






Aspen is available as a pre-mixed 2-stroke fuel and 4-stroke fuel is suitable for strimmers to model cars and lawnmowers to camping stoves

© 2017 Aspen Fuel