RSVY SERIES HEAT-SHRINKABLE TUBES FOR NON-PRESSURIZED TELECOMMUNICATION CABLE RSVY SERIES HEAT-SHRINKABLE TUBES FOR NON-PRESSURIZED TELECOMMUNICATION CABLE RSVY SERIES HEAT-SHRINKABLE TUBESFOR NON-PRESSURIZED TELECOMMUNICATION CABLEFEATUREWidely applied for the junction of over-head and embedded cable.Good resistance to chemical corrosion, high insulation strength, excellent weather ability.The ...