| http://www.w3.org/ns/prov#value | - Examples of the volatile foaming agent include aliphatic hydrocarbons such as propane, n-butane, isobutane, n-pentane, isopentane, n-hexane, isohexane and cyclohexane; chlorinated hydrocarbons such as methyl chloride and ethyl chloride; and fluorinated hydrocarbons such as 1,1,2-tetrafluoroethane and 1,1-difluoroethane.
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