Camisa sob vácuo isolante adequada para vasos térmicos contendo líquidos e em particular líquidos aquosos e/ou orgânicos

摘要

A double walled insulating jacket having a vacuum zone and a getter composition within the zone. The getter composition is barium oxide and a second oxide of palladium, ruthenium, rhodium, osmium, iridium, and/or silver and mixtures thereof. A process for producing this composition is disclosed.