About: http://webisa.webdatacommons.org/440651889

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	The molding materials may contain, as a filler, 30 to 70% by weight of an inorganic material such as glass fibers or silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com