Back Home / Electrical / HEAT SHRINK POLYOLEFIN 100′ RL 4″ ID, BLACK, 2:1 S/R HEAT SHRINK POLYOLEFIN 100′ RL 4″ ID, BLACK, 2:1 S/R SKU: XPHS4C Category: Electrical Flame retardant polyolefin heat shrink tubing. Typically used as a shrink-fit electrical insulation over cable splices and terminations. Can also be used as lightweight wire harness covering, wire marking, wire bundling, component packaging and fire resistant covering. 2:1 shrink ratio. Meets mil spec MIL-I-23053/5. 4 inch i.d. 100? roll Black Case Quantity: 100 Log In For Pricing