<http://webisa.webdatacommons.org/290067965>	<http://www.w3.org/ns/prov#value>	"Frits are made from stainless steel or other inert metal or plastic, such as porous PTFE or polypropylene." .
<http://webisa.webdatacommons.org/prov/374102247>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/290067965> .
<http://webisa.webdatacommons.org/290067965>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/227182104>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/290067965> .
<http://webisa.webdatacommons.org/290067965>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .