About: http://webisa.webdatacommons.org/308721943

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	nesium carbonate, magnesium silicate, carbon black, several kinds of clay and natural or synthetic zeolite, pigment or the like, with the use of a method which is well-known per se by a blend ratio which is also well-known per se.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de