DOMADIA Thin Walled Heat Shrink Tubings / Sleevings

DOMADIA Heat shrink sleeving or tubing is a type of material that shrinks in size when exposed to heat. It is commonly used for insulation, protection, and bundling of wires, cables, and other components. When heat is applied to the sleeving or tubing, it conforms to the shape of the object it is covering, providing a tight and secure fit.

Heat shrink sleeving or tubing is typically made of polymer materials such as polyolefin, PVC, or fluoropolymers. These materials have excellent electrical insulation properties, as well as resistance to heat, chemicals, and abrasion.

The process of using heat shrink sleeving or tubing involves sliding the sleeving over the object to be covered and then applying heat using a heat gun or other heat source. As the heat is applied, the sleeving shrinks in size, tightly encapsulating the object.

There are different types of heat shrink sleeving or tubing available, each with its own characteristics and applications. Some common types include:

Thin-Wall Heat Shrink Tubing: This type of tubing has a thin wall and is suitable for applications where space is limited. It provides good electrical insulation and mechanical protection.

Heat shrink sleeving or tubing is widely used in industries such as electronics, automotive, aerospace, telecommunications, and construction. It is an effective solution for insulating and protecting wires and cables from environmental factors, preventing abrasion and damage, and ensuring the longevity and reliability of electrical connections.

Multiple layers of thin-wall heat shrink tubing can be used to achieve a higher covering thickness or provide additional insulation and protection. By applying multiple layers of tubing over the desired area, the combined thickness of the layers increases, providing enhanced insulation properties and mechanical protection.

Using multiple layers of heat shrink tubing can be beneficial in situations where the standard thin-wall tubing does not offer sufficient insulation or where added durability is required. It allows for customization and flexibility in achieving the desired level of protection based on specific application requirements.

When applying multiple layers of heat shrink tubing, it is important to ensure proper sizing and compatibility between the tubing layers. The outer layer should have a larger diameter than the inner layer to accommodate the additional thickness.

Additionally, it’s important to consider the heat shrink ratio of the tubing when using multiple layers. The heat shrink ratio indicates how much the tubing will shrink when heated. If you plan to use multiple layers, ensure that the tubing has a sufficient shrink ratio to accommodate the cumulative thickness of the layers.

By using multiple layers of thin-wall heat shrink tubing, you can achieve a thicker and more robust insulation and protection solution for various applications, such as high-voltage cables, heavy-duty wiring, or environments with harsh conditions

Applications of Thin-Wall Heat Shrink Tubing
Thin-wall heat shrink tubing is commonly used in various applications where space is limited and a compact insulation and protection solution is required. Some of the key applications of thin-wall heat shrink tubing include:

  • Wire and Cable Insulation: Thin-wall heat shrink tubing is extensively used to insulate and protect individual wires and cables in electronic devices, appliances, automotive wiring, and telecommunications equipment. It provides electrical insulation, prevents short circuits, and protects against moisture and other environmental factors.
  • Component Bundling: Thin-wall heat shrink tubing is used for bundling and organizing multiple wires, cables, or components together. It helps to maintain a neat and organized appearance while providing strain relief and protection against abrasion and mechanical damage.
  • Splice Protection: Thin-wall heat shrink tubing is commonly used to protect and reinforce wire splices or connections. It provides insulation, protects against moisture ingress, and ensures a secure and reliable electrical connection.
  • Connector and Terminal Insulation: Thin-wall heat shrink tubing is applied over connectors and terminals to insulate and protect them from environmental factors, moisture, and corrosion. It helps to maintain the integrity of the connection and extend the lifespan of the components.
  • Identification and Marking: Thin-wall heat shrink tubing is available in various colors and can be printed with alphanumeric codes, symbols, or labels. It is used for identification and marking of wires, cables, and components, facilitating easy tracing and troubleshooting.
  • Medical and Healthcare Applications: Thin-wall heat shrink tubing is used in medical and healthcare equipment, such as catheters and surgical instruments, for insulation, strain relief, and protection against bodily fluids.
  • Automotive Applications: Thin-wall heat shrink tubing is widely used in automotive wiring harnesses, connectors, and electrical systems. It provides insulation, protects against abrasion and chemicals, and ensures reliable performance in the demanding automotive environment.

Overall, the thin-wall heat shrink tubing is versatile and finds application in numerous industries where space is limited, and lightweight insulation and protection are essential.



  • Flexibility: The thin-wall heat shrink tubing is highly flexible, allowing it to conform to various shapes and sizes.
  • High Shrink Ratio: It has a high shrink ratio, meaning it can shrink significantly in size when heated, ensuring a tight and secure fit.
  • Flame Retardant: The tubing is flame retardant, providing an added level of safety and protection in case of fire.
  • Resistance to Fluids and Solvents: It is resistant to common fluids and solvents, protecting the covered components from damage or corrosion.
  • Wide Temperature Range: The tubing can withstand a continuous operating temperature range of -55℃ to 125℃, making it suitable for both extreme cold and hot environments.
  • Shrink Temperature: The tubing shrinks at a temperature of 120℃, allowing for easy installation and sealing.
  • RoHS Compliant: It is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.
  • Meets SAE-AMS-DTL-23053/5: The tubing meets the SAE-AMS-DTL-23053/5 specification, indicating its high quality and suitability for various applications.

These features make the thin-wall heat shrink tubing a versatile and reliable choice for insulation, protection, and bundling of wires, cables, and other components in diverse industries.

Technical Data


Property Test Method Typical Performance
Tensile Strength ASTM D2671 10.4MPa
Elongation(%) ASTM D2671 200%


Property Test Method Typical Performance
Dielectric Strength IEC 243 ≥15kv/mm
Volume Resistivity IEC 93 ≥1×1014Ω·㎝

Colours: BLACK, Transparent, Red, Blue, Green, Yellow.

Shrink Ratio: 2:1 – 50% Shrinkage


Polyolefin heat shrink sleeves have a relatively recent history compared to other types of heat shrink materials. Here’s a brief overview of their development:

Polyolefins are a group of polymers that include polyethylene (PE) and polypropylene (PP). These materials possess excellent electrical insulation properties, high chemical resistance, and good mechanical strength. They are widely used in various applications, including packaging, automotive components, and electrical insulation.

The development of polyolefin heat shrink sleeves can be traced back to advancements in heat shrink technology in the mid-20th century. The ability of polyolefins to shrink when exposed to heat made them a suitable choice for heat shrink applications.

In the 1960s, the first polyolefin heat shrink sleeves were introduced primarily for electrical insulation purposes. They provided a simple and effective solution for insulating and protecting electrical connections, wires, and cables. The sleeves were designed to shrink tightly around the objects when heated, creating a secure and durable insulation barrier.

Over time, the manufacturing processes and formulations for polyolefin heat shrink sleeves were refined, leading to improved performance and expanded applications. The development of cross-linking technology further enhanced the properties of polyolefin materials, allowing for increased mechanical strength, higher temperature resistance, and improved resistance to chemicals and environmental factors.

Polyolefin heat shrink sleeves gained popularity in various industries, including telecommunications, automotive, aerospace, and construction. They were used for cable and wire harness insulation, splice protection, corrosion prevention, and identification purposes.

With the introduction of different types and grades of polyolefin materials, such as low-density polyethylene (LDPE) and high-density polyethylene (HDPE), as well as advancements in manufacturing techniques, polyolefin heat shrink sleeves became more versatile and adaptable to a wide range of applications.

Today, polyolefin heat shrink sleeves are widely available in various sizes, colors, shrink ratios, and wall thicknesses to suit different requirements. They continue to be an essential component in electrical and mechanical systems, providing reliable insulation, protection, and organization of wires, cables, and components.

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