About: http://webisa.webdatacommons.org/197239579

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	Sealants such as polyurethane and silicone are comparitively permeable to gases such as argon and over time there is a gradual loss of the low-conductive gas resulting in reduced thermal performance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com