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The 3M 7100029985 is a thin-wall heat shrink tubing sold on a 100-foot spool, designed to provide electrical insulation, strain relief, and environmental protection on wire terminations, splices, and component leads. Part of the FP-301 product line, this tubing delivers a reliable balance of electrical, physical, and chemical resistance suited to demanding industrial and military-grade wiring applications. The 1/8-inch nominal diameter clear construction allows visual inspection of the underlying conductor or component after shrinking, which is a practical advantage during inspection and quality control.
This tubing is used by electricians, military depot technicians, and industrial maintenance crews on tasks ranging from wire harness assembly to panel wiring and field repairs. The clear, thin-wall format suits applications where low bulk is critical or where conductor identification must be preserved after installation. It is commonly specified in industrial control panels, aerospace ground support equipment, and general-purpose electrical assemblies requiring a clean, professional termination.
Designed as an OEM-style heat shrink solution for general-purpose electrical insulation and wire protection tasks across industrial and military wiring assemblies.
Installation is typically performed by licensed electricians or trained wire harness technicians. Before applying heat, confirm the conductor or termination is de-energized and secured. Use a calibrated heat gun set to the appropriate shrink temperature for FP-301 material — avoid open flame, which can cause uneven shrink or material damage. Comply with applicable NEC requirements for insulation ratings when used in listed electrical assemblies.
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