DRS series radiation cross-inked heat shrinkable insulation sleeve fame retardant with excellent electrical insulating properties anoresistance to aging and sofness. DRS series of good flame retardant properties, and shrinkage temperature is 90″C , the avalable heathair dryer to make it fuly retracted. Widely used in communications. electronics. switchaear plant. aviation and mltary fields. from electrica wiring insulation, waterproof sealing effect.