About: http://webisa.webdatacommons.org/19750683

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	Molding compounds and filled rubbers can be made by adding materials such as silica, alumina, glass powder, or glass or quartz fibers, all of which are treated with (c), to an organic resin or rubber in a plastic phase.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com