KLFC Flexible Elements are designed to
withstand a maximum continuous operating temperature (MCOT) of 2000ºF without
additional cavity insulation. It consists of a load bearing PTFE coated fiberglass
fabric, a gas side multi-directional PTFE corrosion barrier, an inner 1/2” non-woven
fiberglass thermal barrier and a ceramic fiber blanket supported by an outside
layer of silica fiber. A vapor barrier and wire mesh are optional.