1″ Black Polyolefin Dual-Wall Heat Shrink 3:1 RatioDescription:Semi-rigid, high shrink ratio, flame retardant heat shrinkable polyolefin tubing with an adhesive lining which flows when heated.It is suitable for a wide range of applications such as encapsulation of cables splices and components.Featrures:Color: Black, Length 4 FootShrink Ratio: 67% or more in the radial direction, 10% or less in the axial directionInside Diameter as Supplied: 1″, Inside Diameter after Recovery: 0.4″Continuous operating temperature: -55C to +110CMinimum shrink temperature: 125CFlammability: UL VW-1 (Jacket only)Excelient electrical propertiesHigh resistance to abrasions, chemicals and oilsStandard:AMS-DTL-23053/4 Class 1 (Formally MIL-DTL-23053/4 Class 1)M23053/4-107-0UL 224 (File Number: E319314)RoHS CompliantDunbar3625WS