Bentley-Harris Expando products are tough, lightweight over sleeves used to protect cable assemblies, hoses and wire harnesses from chafing, cutting and abrading. The open-weave construction of Expando products enables each size to expand to fit several application shapes and sizes. This open-weave construction also makes them highly flexible and resistant to trapping water, heat and humidity.Expando PT is a braided polyester (PET) sleeving designed for applications up to 125 C. A general purpose industrial / commercial product, Expando PT balances the properties of mechanical and thermal stability with economy. Expando PT protective over sleeve has many applications in the aeronautical, marine, electronic and general manufacturing industries. The ability of Expando PT to retain flexibility at low level temperatures makes it ideal for exposed applications in weather stations, navigation beacons, radar antennas, and airborne and space systems.