About: http://webisa.webdatacommons.org/65213211

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Though other heat-activated materials are possible, a preferred heat activated material is an expandable polymer or plastic, and preferably one that is foamable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es