3M 7100025139 FP-301 Heat Shrink Tubing 1/8 in Black 500 Ft

Product Description

The 3M 7100025139 is a thin-wall, dual-wall polyolefin heat shrink tubing supplied on a 500-foot bulk spool. Part of the FP-301 series, it delivers a reliable balance of electrical insulation, physical protection, and chemical resistance suited for industrial and military wiring applications. The 1/8-inch nominal diameter fits small-gauge conductors and wire bundles where a clean, tight sleeve is required. Electricians and military-spec assembly technicians reach for FP-301 tubing when a compact, consistent shrink profile is needed across high-volume installations.

FP-301 thin-wall tubing is used across a broad range of industrial, commercial, and military applications. Common uses include wire harnessing, cable bundling, conductor insulation, and strain-relief sleeving on control wiring. The black color aids in UV identification and is frequently specified where color coding by jacket is standard practice. The 500-foot spool format suits production environments and field service shops that work through tubing volume regularly rather than purchasing short cuts.

Key Features

• Thin-wall polyolefin construction provides electrical insulation and physical abrasion resistance
• 1/8-inch nominal diameter suits small-gauge wire and conductor terminations
• 500-foot bulk spool reduces per-foot cost and supports high-volume or production use
• Black jacket assists with color-coded wiring identification and offers basic UV resistance
• FP-301 series rated for a wide range of industrial and military wiring applications

Compatibility

Designed as an OEM-style sleeving solution for small-diameter conductors and wire bundles in industrial control, electrical panel, and military wiring assemblies where thin-wall heat shrink tubing is specified.

Installation Notes

Heat shrink tubing of this type is installed by electricians and wire harness technicians using a heat gun set to the appropriate shrink temperature — consult the FP-301 series data sheet for the correct recovery temperature range. De-energize all circuits fully before sleeving any live conductor terminations. Cut tubing to length before applying heat, and apply heat evenly along the length to prevent bubbling or uneven shrink. Follow applicable NEC requirements for insulation ratings when used in listed electrical assemblies.

Technical Specifications

• Nominal Diameter: 1/8 inch
• Length: 500 feet per spool
• Color: Black
• Series: FP-301
• Wall Type: Thin-wall
• Unit of Measure: Foot
• UPC: 30054007084724

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100025139