3M
3M FP301 3/8" Heat Shrink Tube Kit 14 pcs 6" Thin Wall 2:1
Assorted 14-piece kit of thin-wall polyolefin tubing shrinks 2:1 to protect 8–12 AWG wire from –67 °F to 275 °F
- Flame-retardant polyolefin protects wiring up to 275 °F
- 2:1 shrink ratio seals 8–12 AWG wires in one step
- 14 colour-coded pieces simplify circuit identification
- Six-inch sticks cover splices without cutting
- Acid, alkali and solvent resistance extends service life
3M FP301 Heat Shrink Kit
This 3M FP301 kit contains fourteen pieces of thin-wall polyolefin heat shrink tubing in six inch lengths. The tubing offers a 2:1 shrink ratio and is rated for continuous use from minus 67 degrees F to 275 degrees F. It is flame retardant and resistant to acids, alkalis and solvents. The assortment includes two pieces each of black, blue, clear, green, red, white and yellow tubing.
Electricians and hobbyists needing colour-coded
The kit suits electricians, automotive technicians and hobbyists who need to insulate, protect or colour-code wire connections in the 8 AWG to 12 AWG range. The flexible, adhesive-free tubing slides easily over splices and terminals before shrinking. Users who require dual-wall adhesive-lined tubing for environmental sealing or larger diameters for heavier gauge wire should look at alternative products.
Fourteen pieces cover multiple small jobs
Fourteen six inch sticks provide enough material for numerous splices, repairs or identification tasks across the seven included colours. The thin wall construction keeps added bulk low while delivering reliable electrical insulation within the stated temperature range. The kit supplies only a single 3/8 inch size, so projects needing assorted diameters or longer continuous lengths will need additional tubing.
Highlights
- Flame-retardant polyolefin protects wiring up to 275 °F
- 2:1 shrink ratio seals 8–12 AWG wires in one step
- 14 colour-coded pieces simplify circuit identification
- Six-inch sticks cover splices without cutting
- Acid, alkali and solvent resistance extends service life
Specifications
| Brand | 3M |
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Questions about this item
What wire gauges should I already have for the 2:1 shrink ratio to fit correctly?
The kit is rated for use with wire sizes 8 AWG to 12 AWG, so those conductors must be present before shrinking the tubing.
Will the polyolefin material withstand the same temperatures as older PVC tubing I might keep?
This tubing operates from -67 °F to 275 °F and is flame retardant, which typically exceeds the range of standard PVC insulation.
How can I confirm the 2:1 shrink ratio has activated after applying heat?
The tubing will reduce to roughly half its supplied diameter and the seven colours — black, blue, clear, green, red, white, yellow — will appear glossy and tight on the wire.
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