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Hazardous Products Regulations

Version of section 7.3.1 from 2015-02-11 to 2022-12-14:


Marginal note:Categories

  •  (1) A flammable aerosol is classified in a category of this hazard class in accordance with the following table:

    TABLE

    Column 1Column 2
    ItemCategoryCriteria
    1Flammable Aerosols — Category 1

    An aerosol dispenser that

    • (a) contains ≥ 85.0% flammable components and that generates an aerosol that has a heat of combustion ≥ 30 kJ/g;

    • (b) generates a spray aerosol that has an ignition distance ≥ 75 cm, based on test results from the ignition distance test for spray aerosols performed in accordance with sub-section 31.4 of Part III of the Manual of Tests and Criteria; or

    • (c) generates a foam aerosol that has, based on test results from the aerosol foam flammability test performed in accordance with sub-section 31.6 of Part III of the Manual of Tests and Criteria, either

      • (i) a flame height ≥ 20 cm and a flame duration ≥ 2 s, or

      • (ii) a flame height ≥ 4 cm and a flame duration ≥ 7 s

    2Flammable Aerosols — Category 2

    An aerosol dispenser that generates

    • (a) a spray aerosol that does not meet the criteria for the category “Flammable Aerosols — Category 1” and that has

      • (i) a heat of combustion ≥ 20 kJ/g,

      • (ii) an ignition distance ≥ 15 cm, based on test results from the ignition distance test for spray aerosols performed in accordance with sub-section 31.4 of Part III of the Manual of Tests and Criteria,

      • (iii) a time equivalent ≤ 300 s/m3, based on test results from the enclosed space ignition test performed in accordance with sub-section 31.5 of Part III of the Manual of Tests and Criteria, or

      • (iv) a deflagration density ≤ 300 g/m3, based on test results from the enclosed space ignition test performed in accordance with sub-section 31.5 of Part III of the Manual of Tests and Criteria; or

    • (b) a foam aerosol that does not meet the criteria for the category “Flammable Aerosols — Category 1” and that has a flame height ≥ 4 cm and a flame duration ≥ 2 s, based on test results from the aerosol foam flammability test performed in accordance with sub-section 31.6 of Part III of the Manual of Tests and Criteria

  • Marginal note:Default category

    (2) A product that contains flammable components in an aerosol dispenser for which there are no test results in accordance with subparagraph 2.1(a)(i) and referred to in subsection (1) must be classified in the category “Flammable Aerosols – Category 1”, unless the product contains flammable components at a concentration less than or equal to 1.0% and has a heat of combustion less than 20 kJ/g.


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