| http://www.w3.org/ns/prov#value | - Examples of such a foaming agent are aliphatic hydrocarbons, e.g., having 1 to 6 carbon atoms, most preferably 3 to 5 carbon atoms, and boiling point ranges of -42??? to 36??? C, such as propane, butane, pentane, etc., cycloaliphatic hydrocarbons such as cyclobutane, cyclopentane, etc., and halogenated hydrocarbons such as methyl chloride, dichlorodifluoromethane, etc.
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