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19 Benefits of PU Tube - A Comprehensive Guide to Polyurethane Tubing

19 Benefits of PU Tubing: A Comprehensive Overview

Polyurethane (PU) tubing, known for its flexibility and durability, is a popular choice in various industries. Here are 20 key benefits that make PU tubing an essential component in numerous applications:

1. Flexibility

PU tubing is highly flexible, making it ideal for manoeuvrability and bending without kinking applications.

Consequently, its flexibility is one of the standout features of Polyurethane (PU) tubing, setting it apart from more rigid materials commonly used in tubing applications.

This inherent flexibility allows PU tubing to quickly adapt to a wide range of configurations and spaces, making it an excellent choice for systems that require tubing to bend and flex without compromising integrity or causing kinks. Furthermore, this quality is particularly beneficial in dynamic environments where tubing may need to accommodate movement or frequent changes in direction.


Additionally, the supple nature of PU tubing facilitates easier installation and handling, as it can be manoeuvred into tight or complex spaces with minimal effort.

Structural Strength

Despite its flexibility, PU tubing maintains its structural strength, ensuring it does not become deformed or weakened over time – even under continuous flexing.

As a result, this resilience under flexural stress contributes significantly to the longevity and reliability of the tubing in various applications, from pneumatic control systems to fluid transfer in machinery.

The unique balance of softness for flexibility and stiffness for maintaining shape under pressure also makes PU tubing a versatile and indispensable component in numerous industrial, medical, and commercial settings as well.

2. Durability

It exhibits excellent wear resistance, ensuring longevity even under harsh conditions.

The durability of Polyurethane (PU) tubing is one of its key attributes that significantly contribute to its widespread use across various industries.

Withstand a range of challenging conditions

For instance, PU tubing is engineered to withstand challenging conditions – making it an exceptionally robust option for numerous applications. One of the most notable aspects of its durability is its resistance to wear and tear.

As a result, unlike other materials, PU tubing holds up remarkably well against constant friction, impacts, and abrasion – ensuring a long service life even in environments where other materials might rapidly degrade.

Resistance to physical damage

This resistance to physical damage is critical in industrial settings where the tubing is exposed to rough handling or comes into contact with abrasive substances. Furthermore, PU tubing maintains its integrity over time, resisting cracking, splitting, or becoming brittle – which is a common issue with less durable materials.

This resilience extends to its performance under varying temperature extremes, as it does not easily become too soft in heat or too rigid in cold conditions – maintaining its functional properties across a wide temperature range.

The combination of these factors – resistance to physical wear, environmental resilience, and maintenance of properties under stress – makes PU tubing a reliable choice for applications that demand longevity and consistent performance, such as in fluid handling systems, pneumatic controls, and even in medical devices where material endurance is crucial.

3. Abrasion Resistance

The tubing’s robust material withstands abrasion, which is crucial in industrial settings.

This abrasion resistance of Polyurethane (PU) tubing is a critical feature, particularly in industrial and mechanical applications where tubing is often subjected to harsh conditions.

Highly Resilient Polymer

As a result, PU tubing’s superior abrasion resistance stems from its unique material properties. This resistance is due to Polyurethane being a highly resilient polymer that can withstand significant wear and tear – making it ideal for tubing in constant motion or contact with other materials.

This resistance is precious in applications involving the transport of abrasive materials, such as in pneumatic conveying systems or environments with high levels of particulate matter for instance.

The robustness of PU tubing also helps ensure that it does not degrade or lose its structural integrity when rubbed against hard or rough surfaces – a common challenge in industrial settings.

Fewer replacements and repairs

Consequently, this durability translates into fewer replacements and repairs, reducing downtime and maintenance costs.

Outdoor applications

Additionally, the excellent abrasion resistance of PU tubing makes it a preferred choice for outdoor applications – or in scenarios where the tubing is exposed to elements that could cause wear, such as gravel, sand, or other abrasive agents.

Despite exposure to abrasive conditions, the ability to retain its form and functionality over time underscores PU tubing’s role as a reliable and cost-effective solution for many demanding applications.

4. Chemical Resistance

PU tubing resists oils, fuels, and many chemicals, making it suitable for chemical processing applications.

As a result, the chemical resistance of Polyurethane (PU) tubing is a pivotal characteristic that makes it highly sought after in various sectors – particularly in chemical processing and handling applications.

Impervious to a wide range of chemicals

Consequently, PU tubing is uniquely composed to be impervious to a wide range of chemicals, including many oils, solvents, and hydrocarbons – which would degrade or damage less resistant materials, for instance.

This resistance is crucial in environments where the tubing is exposed to harsh chemicals, either as a conduit for chemical transfer or in settings where chemical spills or exposure is possible.

Safe & effective transport of chemicals without the risk of leakage

Polyurethane’s molecular structure also provides a stable and inert interface, preventing the tubing from swelling, cracking, or breaking down when in contact with aggressive substances.

This feature ensures the safe and effective transport of chemicals without the risk of leakage or contamination, which is paramount in industries where chemical integrity is essential.

Long term use

Moreover, PU tubing’s chemical resistance extends its lifespan and reduces the need for frequent replacements, offering an economical solution in long-term operational settings.

Versatile application uses

As a result, this durability against chemical attack also makes PU tubing a versatile choice for applications beyond industrial use, including in laboratories, pharmaceutical production, and even in agricultural settings where exposure to pesticides and fertilisers is every day.

Consequently, the comprehensive chemical resistance of PU tubing provides operational reliability and ensures safety and environmental protection by minimising the risk of leaks and spills.

5. Wide Temperature Range

It can operate in a broad temperature range without losing flexibility or structural integrity.

The adaptability of Polyurethane (PU) tubing to a wide temperature range is a significant advantage – especially in applications that experience extreme or fluctuating temperatures.

PU tubing, for instance, is designed to maintain its mechanical properties and flexibility across a broad spectrum of temperatures – typically ranging from as low as -40°F to as high as 165°F.

Remarkable temperature resilience

This remarkable temperature resilience makes it a versatile choice for various environments, from the freezing conditions of refrigeration systems to the intense heat of industrial machinery.

PU tubing retains its structural integrity and elasticity

Unlike many other materials that become brittle and crack in cold temperatures or soften and deform in heat, PU tubing retains its structural integrity and elasticity.

This feature is particularly beneficial in pneumatic systems where consistent performance is required regardless of ambient temperature changes.

Withstand thermal expansion and contraction

Consequently, the tubing’s ability to withstand thermal expansion and contraction without degrading ensures a reliable and leak-free performance.

Additionally, its thermal stability is crucial in applications where temperature fluctuations are frequent or unpredictable, such as in outdoor settings or processes involving heating and cooling cycles.

The temperature versatility of PU tubing not only broadens its application scope and enhances its longevity and reliability, making it a cost-effective solution for a wide array of temperature-sensitive applications.

6. High Pressure Resistance

The tubing can withstand high pressure, which is essential for pneumatic systems.

This high-pressure resistance is a defining attribute of Polyurethane (PU) tubing, making it an indispensable component in many high-demand applications.

For example, PU tubing is engineered to withstand substantial internal pressures without rupturing, a property that is crucial in systems like pneumatics, hydraulics, and pressurised fluid handling.

Strong molecular bond and elasticity

This robustness against high pressure is attributable to the material’s molecular solid bond and elasticity, which allows the tubing to flex under pressure but not burst or tear.

This quality is essential in applications where safety and reliability are paramount – such as in industrial automation, machinery, and aerospace applications, where tubing must operate under high-pressure conditions without failure.

Used in more compact systems with smaller diameters

Additionally, the ability of PU tubing to sustain these pressures over time without degradation is a testament to its durability and longevity. The resistance to high pressure also means that PU tubing can be used in more compact systems with smaller diameters – offering efficiency and space-saving advantages without compromising performance.

Can absorb sudden pressure spikes

Furthermore, this characteristic is beneficial in applications with sudden pressure spikes, as the tubing can absorb these changes without damage.

The high-pressure resistance of PU tubing ensures operational reliability and contributes significantly to the overall safety and efficiency of the systems in which it is used.”

7. Moisture Resistance

Its moisture resistance makes it suitable for use in humid or wet environments.

This moisture resistance of Polyurethane (PU) tubing is also a critical feature, precious in applications where exposure to water or humidity is inevitable.

Does not absorb water or become swollen

PU tubing’s inherent resistance to moisture ensures that it does not absorb water or become swollen, which can be a significant issue with less resilient materials.

As a result, the ability of PU tubing to maintain its physical properties and structural integrity, even when consistently exposed to moisture, makes it a versatile and reliable choice in a wide array of applications, ensuring uninterrupted performance and safety in moisture-prone environments.

8. Lightweight

PU tubing is lighter than metal alternatives, reducing overall system weight.

This lightweight nature of Polyurethane (PU) tubing is a significant advantage, particularly in applications where weight reduction is a priority.

PU tubing is considerably lighter than traditional materials like metal or rubber, making it an excellent choice for applications where reducing overall system weight is beneficial.

This lightness contributes to easier handling and installation, as the tubing can be manoeuvred and positioned with less effort compared to heavier alternatives.

Ideal for fuel efficiency and performance applications

In industries such as Aerospace and Automotive, where every ounce matters for fuel efficiency and performance, the lightweight characteristic of PU tubing is precious.

Ideal for mobile systems

It also plays a crucial role in portable systems or equipment where the ease of transport and mobility is essential.

However, despite its lightweight, PU tubing does not compromise on strength or durability, providing you with a robust solution that easily withstands operational stresses.

Ideal for robotics and automation

This combination of lightweight and strength also makes PU tubing a preferred choice in robotics and automation, where reducing the load on motors and moving parts is crucial for the efficiency and longevity of the equipment.

Lower shipping and transport costs

Furthermore, the reduced weight of PU tubing contributes to lower shipping and transportation costs, making it a cost-effective solution for both manufacturers and end-users as well.

9. UV Resistance

The material resists UV radiation, preventing degradation when exposed to sunlight.

This UV resistance of Polyurethane (PU) tubing is a crucial characteristic that greatly extends its usability and longevity – especially in outdoor or sunlight-exposed applications.

PU tubing, for instance, is specifically formulated to resist the degrading effects of Ultraviolet (UV) light, a common issue with many materials that can lead to embrittlement, colour fading, and a reduction in material strength over time.

Maintains its physical properties and appearance

This resistance to UV radiation ensures that PU tubing maintains its physical properties and appearance even when subjected to prolonged exposure to sunlight.

This quality is particularly beneficial in applications such as outdoor fluid transport, pneumatic lines in external environments, and any setting where the tubing is exposed to the elements.

Consequently, the UV-resistant nature of PU tubing preserves its functional integrity and aesthetic appeal, preventing the material from becoming discoloured or unsightly due to sun exposure.

10. Easy to Install

Its flexibility and lightweight characteristics make installation straightforward.

As a result, the ease of installation is a key advantage of Polyurethane (PU) tubing, simplifying and speeding up assembly processes across various applications.

PU tubing’s inherent flexibility and light weight make it exceptionally user-friendly to handle and install. Unlike rigid materials, it can be easily routed through tight spaces, bent around corners, and fitted onto connectors and fittings without special equipment.

This flexibility reduces the risk of kinking during installation, ensuring a smooth and continuous flow within the tubing system.

11. Vibration Dampening

PU tubing can absorb vibrations, protecting sensitive components in machinery.

The vibration-dampening capabilities of Polyurethane (PU) tubing are a significant attribute, making it highly suitable for applications where reducing vibration and noise is essential.

As a result, PU tubing’s natural elasticity and flexibility enable it to absorb and dissipate vibrational energy, which is particularly advantageous in machinery and equipment where vibration can cause wear, noise, and potential damage.

This dampening effect not only prolongs the life of the tubing itself but also protects surrounding components and structures from the stress and fatigue associated with continuous vibration. In pneumatic and hydraulic systems, for instance, PU tubing helps to smooth out pulsations and shocks, leading to quieter and more stable operation.

12. Low Gas Permeability

PU tubing is ideal for containing gases due to its low permeability.

This low gas permeability of Polyurethane (PU) tubing is a pivotal feature, especially in applications where maintaining gas integrity and preventing leakage is crucial to you.

As a result, PU tubing’s dense molecular structure provides an excellent barrier to gases, ensuring minimal gas loss through the walls of the tubing.

This barrier is significant in industries where gases are transported under pressure, such as in pneumatic control systems, or in applications where the containment of gases, like refrigeration systems, is essential.

Benefits of PU Tubing Overall

In summary, PU tubing’s unique flexibility, durability, and resistance to various elements make it a versatile and valuable component in many industries, from automotive to medical.

Whether for its physical properties or cost-effectiveness, PU tubing stands out as a superior choice for many applications.


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