About: http://webisa.webdatacommons.org/222220037

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	Preferably the material used in, or for, this repellent layer is butyl rubber since it easily satisfies all of the above requirements, although acrylic polymers and silicone rubbers and other such materials can also be utilized.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca