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<http://webisa.webdatacommons.org/227361261>	<http://www.w3.org/ns/prov#value>	"By admixing foaming agents such as sodium bicarbonate with the reactants prior to curing, the polymer may be obtained in the form of a foam which is easily disintegrated into a fine powder by means of a shearing action." .
<http://webisa.webdatacommons.org/227361261>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/415167784>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227361261> .