<http://webisa.webdatacommons.org/prov/434430445>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/72624538> .
<http://webisa.webdatacommons.org/72624538>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/72624538>	<http://www.w3.org/ns/prov#value>	"The matrix is preferably a curable thermosetting polymer such as an acrylic." .
<http://webisa.webdatacommons.org/72624538>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .