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Haisstronica waterproof heat shrink tubing with superior adhesive sealing for outdoor use.
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Haisstronica best heat shrink tubing with 3:1 ratio for secure electrical connections and strain relief.
Haisstronica 3:1 heat shrink tube (3.2mm to 1mm) with dual-wall insulation for precise wire protection.
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Haisstronica flame-retardant heat shrink tubing (3:1 dual-wall) to prevent open flames in high-risk environments.
Haisstronica heat shrink tubing with adhesive (3:1 dual-wall) and 19.1mm diameter for automotive wiring.
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Haisstronica 3:1 dual-wall heat shrink tubing with rock-solid insulation for high-temperature environments.
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Haisstronica multilayer heat shrink tubing: flame-retardant, waterproof, and antioxidant for harsh environments.
Haisstronica shrink tubing with multilayer waterproof insulation and antioxidant adhesive lining.
Haisstronica heat shrink tubing with adhesive for superior bond strength and enhanced wire protection.
Haisstronica flame-retardant heat shrink tubing (5/8" wall) to prevent open flame hazards.
Haisstronica high temp heat shrink tubing with low shrinkage temperature (2579H) for sensitive electrical components.
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Haisstronica yellow heat shrink tubing (5/16", 65ft) – 3:1 dual-wall ratio for automotive or DIY projects.
Haisstronica red heat shrink tubing (5/16", 65ft) – 3:1 ratio and dual-wall construction for secure electrical connections.
Haisstronica colored heat shrink tubing (5/16", blue, 65ft) with 3:1 dual-wall design for organized wire insulation.
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Black Haisstronica 5/16" heat shrink tubing, 65 feet, adhesive-lined for airtight insulation on electrical connections.
Haisstronica 5/16" yellow flame-resistant heat shrink tubing, 65 feet, 3:1 ratio, built for rugged industrial environments.
Haisstronica 5/16" adhesive-lined heat shrink tubing, 65 feet, 3:1 ratio, waterproof, and chemical-resistant for secure seals.

Gaine thermorétractable Haisstronica 3:1, rapport de rétraction 3/4 po, revêtement adhésif, qualité marine, pour la maison, l'automobile et l'industrie (bleu)

$39.99 USD

A tailored sleeve for your next connection.
Avoid treating every wire joint as though it needs the same sleeve length.
• 5/16-inch starting diameter — verify clearance over the joint and the recovered fit.
• 3:1 shrink ratio — helps the sleeve recover around compatible changes in diameter.
• 65ft continuous supply — cut the required length; the heated adhesive lining helps.

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Couleur:Bleu
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Haisstronica model automatic cable stripper for precision tasks.
Pince à dénuder auto-ajustable pour AWG 24-10 $23.99
Workbench scene using heat gun wire connectors; precise heating shrinks sleeves on cables for sealed connections.
Pince à sertir les embouts de câbles Haisstronica, AWG 23-10, hexagonale auto-ajustable, pour cosses à cliquet, embouts de câbles $23.99

Marque : haisstronica

Couleur : Bleu

Caractéristiques:

  • Rouleau de gaine thermorétractable de 20,7 m : n'hésitez pas à la couper à la longueur souhaitée. Assurez-vous d'avoir suffisamment de gaine thermorétractable pour tous vos projets électriques et de bricolage.
  • Bonne étanchéité : notre gaine thermorétractable offre une étanchéité étanche et sécurisée pour protéger vos fils et câbles de l'eau, de la poussière et d'autres contaminants
  • Facile à couper et à installer : avec son rapport de rétraction de 3:1, ce tube thermorétractable se rétracte à 1/3 de son diamètre d'origine, ce qui le rend facile à adapter à une variété de tailles de fils
  • Étanche : La doublure adhésive du tube thermorétractable crée un joint étanche à l'eau en refroidissant, offrant une excellente protection contre l'eau, l'humidité et la corrosion
  • Applications étendues : Les gaines thermorétractables sont utilisées pour le câblage marin et automobile, les connexions de fils et les projets de câblage électrique DIY. Pour tous vos besoins.

Numéro de pièce : HX1731

Dimensions du colis : 11,4 x 11,3 x 1,9 pouces

Specification table for wire crimper and stripper tool sizes

❓What does the 3:1 shrink ratio mean?

The tubing can recover to about one-third of its supplied diameter when heated correctly. This 7.9mm size has a specified fully recovered inner diameter of no more than 2.7mm.

❓How do I choose the correct tubing diameter?

The expanded size must clear the largest component, while the recovered size must seal tightly around the smallest section. Do not choose by wire gauge alone.

❓Can I shrink the tubing with an open flame?

Use a controlled heat gun. An open flame can scorch the sleeve, damage nearby insulation, and create an uneven adhesive seal.

❓How to Choose

Measure the largest diameter the tubing must slide over and the smallest diameter it must seal after heating. Confirm the supplied inner diameter of at least 7.9mm clears the connection and the recovered inner diameter of no more than 2.7mm will seal the finished joint. Select color by the project identification standard rather than by wire gauge alone.

❓How to Use

  1. Disconnect power, cut the required tubing length, and slide it over the cable before completing the connection.
  2. Center the tubing over the finished joint with sufficient overlap on both sides.
  3. Apply controlled heat evenly from the center outward while keeping the heat source moving.
  4. Stop heating after the tubing has fully recovered and the adhesive has formed an even seal.
  5. Allow the joint to cool before bending, pulling, testing, or restoring power.
  • Enjoy free shipping on all orders.
  • Delivery Time: 1-2 business days to The US and Canada. Delivery times may vary depending on your location and carrier conditions.
  • Details
  • Tracking: After your order is shipped, you will receive an email with a tracking number to monitor the delivery status.
  • Need Help? Contact our support team for assistance with shipping or your order.
  • 30-Day Returns
    You may request a return within 30 calendar days of delivery. Items must be unused, in their original condition, and include all original packaging and accessories.
  • Damaged, Defective, or Incorrect Items
    Contact us with your order number and photos. If the issue is due to our error, we will cover reasonable return shipping costs or provide an appropriate replacement.
  • Refunds
    Approved refunds are issued to your original payment method within 5 business days after inspection. Your bank may require additional processing time.
  • To start a return, email support@haisstronica.com with your order number and reason for return. Please obtain approval before sending anything back.
  • View Full Return & Refund Policy
Close-up of insulated wire connectors joining red, blue, and yellow wires

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Learn More About Porduct

  • Good Sealing:Our heat shrink tubing provides a tight and secure seal to protect your wires and cables from water, dust and other contaminants
  • Easy to Cut and Install:With its 3:1 shrink ratio, this heat shrink tubing shrinks to 1/3 of its original diameter, making it easy to fit a variety of wire sizes
  • Waterproof:The adhesive lining in heat shrink tubing creates a watertight seal as it cools, providing excellent protection against water, moisture and corrosion
  • Wider Application: Heat shrink tubing is used for marine and automotive wiring, wire connections and DIY electrical wiring projects. For all your needs

Use this 5/16-inch tubing for compatible automotive, marine, equipment, appliance, and workshop wiring where the sleeve must seal around a medium cable joint or harness section. Blue, red, green, yellow, and black variants support project identification. Do not use it where the 7.9mm starting diameter cannot pass over the largest part of the connection or the recovered diameter cannot grip the smallest section.

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