3M 2:1 Ratio Heat Shrink Tubing

A Flexible, General Purpose Tubing

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What's special about this 2:1 shrinkable tubing?

  • Shrinks to 1/2 of its original size, making it perfect for irregular shapes or large connectors
  • Many different colors available for color coding wires
  • Great for insulation to prevent shorts or other dangerous conditions
  • Click for More Features
UL and CSA logos

3M offers their 2:1 heat shrink tubing in a variety of sizes, as well as many different colors. Perfect for insulating electrical splices and terminations, as well as harnessing wires, wire marking, and providing cables with a fire resistant covering. You will find the 3M 2:1 heat shrink you need for any job.

Images

PART # SIZE COLOR WEIGHT PRICE
2:1 Heat Shrink – 25ft roll
NSPA-HST100B-25F 3/64" Black 2 lbs
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NSPA-HST101B-25F 1/16" Black 2 lbs
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NSPA-HST102-25F 3/32" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST103-25F 1/8" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST104-25F 3/16" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST105-25F 1/4" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST106-25F 3/8" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST107-25F 1/2" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST108-25F 3/4" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST109-25F 1" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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2:1 Heat Shrink – 50ft roll
NSPA-HST108-50F 3/4" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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NSPA-HST109-50F 1" Black, Blue, Clear, Green, Red, White, and Yellow 2 lbs
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2:1 Heat Shrink – 100ft roll
NSPA-HST100B-100F 3/64" Black 4 lbs
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NSPA-HST101B-100F 1/16" Black 4 lbs
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NSPA-HST102-100F 3/32" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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NSPA-HST103-100F 1/8" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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NSPA-HST104-100F 3/16" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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NSPA-HST105-100F 1/4" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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NSPA-HST106-100F 3/8" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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NSPA-HST107-100F 1/2" Black, Blue, Clear, Green, Red, White, and Yellow 4 lbs
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  • Made from flame retardant polyolefin to last for many years
  • Many different sizes available for use in many different applications, including color-coding wires or protecting damaged cords
  • Only available in 25, 50 or 100 ft spools, for individual lengths please click here
  • Minimum shrinking temperature is 194° F (90°C); a heat gun is required
  • Highly resistant to chemicals and oils, to keep your cables or wires safe from corrosion
  • Made by 3M for a better quality product
  • UL E35506, MIL-DTL-23053/5, CSA LR31929

 

Mil Specs MIL-DTL-23053/5 Class 1 (colors) Class 2 (Clear)
UL E35506 (except Clear) 600V 125°C (257°F)
CSA LR31929 (except Clear) 600V 125°C (257°F)
Material Polyolefin
Recover temp. 121°C (250°F)
Dielectric Strength 900 Volts/mil
Continuous Oper. Temp. -55°C to 135°C (-67°F to 275°F)
Flammability Self-extinguish UL 224 (except Clear)

 

Size Recovered ID Recovered Wall Thickness
3/64" (0.0469) 0.023" 0.016"
1/16" (0.0625) 0.031" 0.017"
3/32" (0.0934) 0.046" 0.020"
1/8" (0.125) 0.062" 0.020"
3.16" (0.188) 0.093" 0.020"
1/4" (0.25) 0.125" 0.025"
3/8" (0.375) 0.187" 0.025"
1/2" (0.50) 0.250" 0.025"
3/4" (0.75) 0.375" 0.030"
1" 0.500" 0.035"

MANUALS & USER GUIDES -



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VIEW OUR GLOSSARY

 

VT-1100 Heat GunVT-1100 Heat Gun
From
With a temperature range of 250°F - 1100°F and a hands-free stand, this heat gun is ideal for heat shrink, auto repair, thawing frozen pipes, and even paint removal.

heat shrink end capsHeat Shrink End Caps
From
Secure the ends of the tubing with these caps available in black in all three sizes.

 

Step-Down Butt SpliceStep-Down Butt Splices
From /50 pack
Reliably connect 2 different wire gauges in one simple connector with our step-down butt splices, which are equipped with wire stops to prevent over-insertion.

heat shrink tubing, 6:1Cheap 6:1 Heat Shrink
From for 48" piece

Standard 6:1 Heat Shrink
From for 48" piece

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REVIEW SNAPSHOT®

by PowerReviews
3M, 2:1, Heat Shrink, 0.0469 inch, Black, 25 ft spool
 
5.0

(based on 1 review)

Ratings Distribution

  • 5 Stars

     

    (1)

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Reviewed by 1 customer

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5.0

Professional finish

By Doug

from Michigan

Verified Buyer

Pros

  • Strong
  • Tidy

Cons

    Best Uses

    • Custom wiring jobs

    Comments about 3M, 2:1, Heat Shrink, 0.0469 inch, Black, 25 ft spool:

    It gives our wiring harness a professional look and protects the leads. I would definatly purchase again.

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