About: http://webisa.webdatacommons.org/62758616

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	Generally the silica or other support comprises from 44 to 84 weight percent of the total polymerization catalyst component, preferably about 48 to 54 weight percent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr