About: http://webisa.webdatacommons.org/140978748

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	Siliceous materials can be made with extremely small pores such as is the case with impervious silica, porous glass and silica used as an adsorbant for certain specific materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com