Heat Shrink and Wiring Products
Shrink Your World

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Custom-cut and printed Thermafix® heat shrinkable tubing provides electrical and mechanical technicians a safe and cost-effective way to protect the delicate features of wiring and cables. ShrinkShop has a wide selection of colors and ratios of Thermafix® and Thermafix Plus® heat shrinkable tubing to suit any job. 

Product Description

Heat shrink tubing is a thermal plastic material that can be manipulated to form a tight seal around wires, cables, connectors, and joints. The tubing itself is produced by an extrusion process to form the polyolefin material into a tube-shaped cylinder. The tube is then heated to expand the diameter to the desired size before a cooling process sets the required dimensions. From this, heat shrink tubing can be cut into various sizes for use. 

The polyolefin material will shrink radially with heat application to act as a protector and insulator from environmental factors, cuts, abrasions, and fluids. Commonly used expansion ratios are 2:1, 3:1, and 4:1. 


  • Insulation
  • Protective coating
  • Waterproof
  • Resistant to ultraviolet light
  • Better organization
  • Flexible
  • Long-lasting
  • Chemical-resistant
  • Noise reducer
  • Identifier


Heat shrink tubing is used by technicians in the electrical, automotive, and plumbing industry, as well as for equipment for commercial and residential use. Wires and cables are susceptible to normal wear and tear and damage caused by cuts, abrasions, ultraviolet rays, oil, water, humidity, extreme temperatures, and corrosion.  

Technicians also use the adaptable heat shrink tubing as identification for the use and/or voltage of the inside wiring and cables. Colored heat shrink tubing is often used in universal terms for cautionary purposes.

Heat shrink tubing can be used to bundle related wiring together for safety and aesthetic reasons. Using heat shrink tubing as cable entry seals is another common application of the product. 

Custom Cut Heat Shrink Tubing

Custom Cut & Printed

Custom-cut heat shrink tubing is a cost-effective tool for companies and technicians that depend on the durable tubing for frequent use. Choose from colors of black, white, red, blue, yellow, and green.

Single Wall Tubing

Our Thermafix single wall tubing is available in custom lengths with a 2:1 shrink ratio and a 3:1 shrink ratio. 

  • 2:1 Shrink Ratio. ShrinkShop offers single wall tubing as standard heat shrink tubing with a 2:1 shrink ratio. This size will shrink with heat application to a diameter of one-half of its original shape. 

  • 3:1 Shrink Ratio. Our single wall tubing known as high shrink tubing has a 3:1 shrink ratio. When used properly, this tubing will shrink radially to one-third of its original size.

Dual Wall Tubing (adhesive-lined)

ShrinkShop also offers durable Thermafix heat shrinkable tubing as a dual wall product. This tubing has a crosslinked outer shell surrounding an inner layer of adhesive. When heat is applied to the dual wall heat shrink tubing, the adhesive melts and flows along the length of the tube providing an extra protective barrier. 

Custom-Cut & Printed Heat Shrink Tubing

Custom Cut & Printed

ShrinkShop’s custom-printed Thermafix heat shrinkable tubing is great for those jobs requiring precise organization and labeling. Having a permanent solution to identifying and organizing hazardous wires and cables reduces the risk of accidents and miscommunication. 

Important notifications can be easily applied to one or both sides of the heat shrink tubing. ShrinkShop’s advanced technical printing equipment provides a non-distorted text and/or image when shrunk. 

Custom-cut and printed heat shrink tubing is also a cost-effective way to promote your business by having your contact information and/or company logo permanently pressed onto the wire sheath.

Why Choose ShrinkShop’s Custom-Cut & Printed Thermafix Heat Shrinkable Tubing?

As a leading online supplier of Thermafix® brand heat shrinkable tubings. ShrinkShop offers the highest quality of products and services. Over the past 30 years, we have become a top competitor in the heat shrink business, providing excellent service to various industries including NASA.

Contact us today to discuss how our durable Thermafix heat shrinkable tubing can enhance your business. 

Complete Line of Custom Heat Shrink