Insulation panel having a different density at its core to its outer surface

摘要

A moulded demountable bulkhead insulation panel for temperature insulation compartment when used in the transportation of goods comprises a body having an outer surface, a core and in use the panel has a top, base and sides. The core comprises at least one insulation material not consisting of plies. The core material can have a different density from the centre portion to the outer portion. The outer surfaces can be a skin or skeletal in form or can be a separate member.