# The Aerosol Dispensers Regulations 2009, Paragraph 6.3.2.4.3


The deflagration density (Ddef) needed to achieve ignition during the test may also be calculated as follows:

---
Source: https://www.legislation.gov.uk/uksi/2009/2824/schedule/1A/paragraph/6.3.2.4.3 (the official version)
Page: https://openlegislation.uk/aerosol-dispensers-regulations-2009/schedule-1A/paragraph-6.3.2.4.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.