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The 3M 7100024932 is a thin-wall heat shrink tubing supplied on a 200-foot bulk spool. Based on the FP-301 formulation, it delivers a reliable balance of electrical insulation, physical durability, and chemical resistance suited to demanding industrial and military wiring applications. The tubing is sized at 1/2 inch and supplied in clear, making post-shrink inspection of splices and terminations straightforward. Electricians, harness builders, and MRO technicians use FP-301 tubing to protect wire splices, bundle conductors, and insulate terminals in environments where a clean, durable sleeve is required.
This tubing is well suited to industrial panel wiring, military-specification wire harness assemblies, and general electrical maintenance work. The bulk 200-foot spool format is practical for shops and field service operations that consume tubing regularly across multiple jobs. The clear jacket allows visual confirmation of the underlying connection without removing the sleeve.
Designed as a general-purpose heat shrink sleeving for industrial and military wire harness, splice protection, and terminal insulation applications where a 1/2 inch thin-wall tubing is specified.
Heat shrink tubing of this type is installed by licensed electricians or qualified harness technicians. De-energize all circuits before applying the sleeve over any splice or termination. Use a heat gun set to the appropriate temperature range for FP-301 material, applying heat evenly and moving continuously to avoid scorching the tubing or damaging the underlying conductor insulation. Follow applicable NEC requirements for the circuit type and environment.
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