<http://webisa.webdatacommons.org/concept/polytetrafluroethylene_ptfe_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"polytetrafluroethylene" .
<http://webisa.webdatacommons.org/concept/polytetrafluroethylene_ptfe_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"ptfe" .
<http://webisa.webdatacommons.org/concept/polytetrafluroethylene_ptfe_>	<http://www.w3.org/2000/01/rdf-schema#label>	"polytetrafluroethylene ptfe" .