Electric Hot-Melt Sleeve The electric hot melt sleeve is a kind of connecting fitting widely used for anti-corrosion and insulating engineering and heat pipe network engineering. it is produced through secondary processing by compounding special electric hot network on PE plates. Application: connection of joints of heat pipe and anti-corrosion and insulating pipes Features: high adhesion,good airtightness ,good corrosion resistant capacity, long service life and convenient use. Outside diameter steel pipe: DN159-DN1020 Jacket pipe outside diameter: DN250-DN1155 Width: 500-600 mm Wall thickness: 5-9 mm