# The Aerosol Dispensers Regulations 2009, Paragraph 4.2.3: Filling


(a) Aerosol dispensers filled with dissolved gas shall not be required to withstand a pressure of more than 8 bars at 50°C.
(b) Aerosol dispensers containing liquefied gas shall not be required to withstand, at 20° C, pressures in excess of those shown in the following table:
Total capacity
Percentage by weight of liquefied gas in the total mixture
20 %
50%
80%
50 to 70 ml
1.5 bar
1.5 bar
1.25 bar
< 70 to 150 ml
1.5 bar
1.5 bar
1 bar
This table shows the pressure limits permitted at 20°C in relation to the percentage of liquefied gas.
Pressure limits for percentages of gas not shown in the table shall be extrapolated from it.

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Source: https://www.legislation.gov.uk/uksi/2009/2824/schedule/1A/paragraph/4.2.3 (the official version)
Page: https://openlegislation.uk/aerosol-dispensers-regulations-2009/schedule-1A/paragraph-4.2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.