| http://www.w3.org/ns/prov#value | - In addition, various materials known to those in the polyurethane arts such as, surfactants, either organic or silicon based, extender oils, carbonate esters (cyclic or linear), solvents, esters, fillers, other amine catalysts, blowing agents such as hydrocarbon, carbon dioxide, FREON?? 141B, HFC-245FA. This specification and the appended claims make reference to ???particles??? of foam, and other
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