About: http://webisa.webdatacommons.org/384057381

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 amount of propylene consumed in the preliminary polymerization is from 0.01 to 1,000 g, preferably from 0.05 to 500 g, and particularly preferably from 0.1 to 200 g, per gram of the solid catalyst component.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com