About: http://webisa.webdatacommons.org/135324566

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 method of claim 1 wherein said alkali metal silicate is present in an amount to provide at least about 20 g SiO2 per 1000 g of composition, and a weight ratio of Sio2 to M2 O of at least 0.3 wherein M is an alkali metal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com