| prov:value
| - On the other hand, examples of the volatile organic foaming agents include aliphatic hydrocarbons such as propane, butane and hexane, alicyclic hydrocarbons such as cyclobutane and cyclohexane, and halogenated hydrocarbons such as chlorofluoromethane, trifluoromethane, 1,1-difluoroethane, 1-chloro-1,1-difluoroethane, 1,2,2,2-tetrafluoroethane, 1-chloro-1,2,2,2-tetrafluoroethane, methyl chloride, e
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