About: http://webisa.webdatacommons.org/209970287

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	Its thickness is not particularly limited, but is 300 to 500 nm, preferably about 400 nm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com