| http://www.w3.org/ns/prov#value | - The organic liquid diluent may be selected from a wide variety of known materials which are unreactive toward isocyanates or polyols, e.g., hydrocarbons including pentane, cyclopentane, hexane, cyclohexane, nonane; aromatic hydrocarbons including benzene, toluene, xylene ethyl benzene, mesitylene, etc.; perfluoro compounds, including perfluoroheptane, perfiuorobenzene, etc.; halogen compounds, inc
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