About: http://webisa.webdatacommons.org/154984879

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 silica according to the invention preferably has a zinc content of between 1.5 and 4% by weight; this content may be especially between 1.5 and 2.5% by weight.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au