Unleaded Petrol
Petrol or Unleaded is used primarily as a fuel in internal combustion engines for road transport. Petrol is marketed as E5 and E0, with the numbers indicating the respective percentage of Ethanol.
Unleaded Petrol BS EN 228:2012
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| Property |
Units |
Limits |
Test method (notes) |
|
|
MIN |
MAX |
|
| Research Octane Number, RON |
- |
95.0 |
- |
EN ISO 5164 (b) |
| Motor Octane Number, MON |
- |
85.0 |
- |
EN ISO 5163 (b) |
| Lead Content |
mg/l |
- |
5.0 |
EN 237 |
| Density @ 15°C (c) |
kg/m³ |
720.0 |
775.0 |
EN ISO 3675 / 12185 |
| Sulphur Content (c) |
mg/kg |
- |
10.0 |
EN ISO 13032 / 20846 / 20884 |
| Manganese Content (d) |
|
|
|
|
| until 2013-12-31 |
mg/l |
- |
6.0 |
EN 16136 |
| from 2014-01-01 onwards |
mg/l |
- |
2.0 |
EN 16136 |
| Oxidation Stabilty |
Minutes |
360.0 |
- |
EN ISO 7536 |
| Existent Gun Content (solvent washed) |
mg/100ml |
- |
5.0 |
EN ISO 6246 |
| Copper Corrosion (3hr @ 50°C) |
rating |
Class 1 |
- |
EN ISO 2160 |
| Appearance (e) |
- |
Clear and bright |
- |
Visual inspection |
| Hydrocarbon Type Content (c) |
|
|
|
|
| Olefin Content |
% v/v |
- |
18.0 |
EN 15553 / EN ISO 22854 |
| Aromatics Content |
% v/v |
- |
35.0 |
EN 15553 / EN ISO 22854 |
| Benezene Content (c) |
% v/v |
- |
1.0 |
EN 238 / 12177 / EN ISO 22854 |
| Oxygen Content (c) |
% m/m |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
| Oxygenates Content (c) |
|
|
|
|
| Methanol (f) |
% v/v |
- |
3.0 |
EN 1601 / 13132 / EN ISO 22854 |
| Ethanol (g) |
% v/v |
- |
5.0 |
EN 1601 / 13132 / EN ISO 22854 |
| Iso-Propyl Alcohol (h) |
% (m/m) |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
| Iso-Butyl Alcohol (h) |
% (m/m) |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
| Tert-Butyl Alcohol (h) |
% (m/m) |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
| Ethers (5 or more C atoms) (h) |
% (m/m) |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
| Other Oxygenates (h) (i) |
% (m/m) |
- |
2.7 |
EN 1601 / 13132 / EN ISO 22854 |
Notes
NOTE: Requirements in bold refer to the European Fuels Directive 98/70/EC [1], including subsequent Amendments [2], [3] and [4]
a) See also 5.7.1. in BS EN 228:2012
b) A correction of 0,2 for MON and RON shall be subtracted for the calculation of the final result, before reporting according to the requirement of the European Fuels Directive 98/70/EC [1], including subsequent Amendments [2], [3] and [4].
c) See also 5.7.2. in BS EN 228:2012
d) See also 5.3.3. in BS EN 228:2012
e) Appearance shall be determined at ambient temperature.
f) Stabilising agents shall be added.
g) Ethanol when used as a blending component shall conform to EN 15376 (see 5.1 in BS EN 228:2012). Stabilising agents may
h) The oxygen content of the finished unleaded petrol shall not exceed 2,7 % (m/m). A CEN/TR on oxygenate blending is under preparation.
i) Other mono-alcohols and ethers with a final boiling point no higher than prescribed in Table 4 in BS EN 228:2012