About: http://webisa.webdatacommons.org/225941981

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 coating consists mostly of hard magnesium oxide with minor surface deposition of hard fused silicates.
http://www.w3.org/ns/prov#wasQuotedFrom	tagnite.com