Medical Heat Shrink Tube

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What is a Heat Shrink Tube

Heat shrink tubing is essential in medical applications, offering a high-performance solution for protecting sensitive components from harsh conditions. Acting as a tight, strong protective cover, it protects core components from extremes such as heat, shock, corrosion, moisture, chemical exposure, and more. Materials like FEP, PET, and PO are specifically chosen for their ability to withstand these environments while maintaining their structural integrity. At MedSEA Forte, we are committed to supplying top-tier medical heat shrink tubing, renowned for its quality and reliability. As one of the leading medical tubing suppliers in Singapore, our medical heat shrink tubing is engineered to shrink at precise temperatures, ensuring a consistent, reliable fit every time. This capability is critical in medical devices where non-reactivity and stability are paramount. By forming a tight barrier against external contaminants and mechanical stress, our range of heat shrink tubing significantly enhances the lifespan and functionality of medical devices, playing a critical role in modern medical treatments.

Enhancing Medical Device Performance with Heat Shrink Tubing

Heat shrink tubing is an essential component in medical manufacturing, notably in the production of catheters. This tubing is applied over various medical components and subjected to heat, causing it to shrink and tightly conform to the underlying shapes. This process not only firmly secures internal components but also fortifies the device with a smooth, resilient exterior capable of withstanding medical procedures’ demanding requirements.

In the visual sequence, from left to right, the transformation of heat shrink tubing is depicted: starting as a loose, flexible cover before heat application, then contracting snugly around a medical device component, culminating in a durable, protective layer. 

A prime example of its crucial application is in catheter reinforcement and customization. Here, the tubing enhances the catheters’ structural integrity, offers a frictionless surface to ease patient discomfort, and permits modifications like radiopacity for enhanced imaging visibility and lubricity for easier insertion. This makes medical heat shrink tubing vital not only for its protective qualities but also for its role in improving the overall functionality and safety of catheters and other critical surgical instruments.

Our Range Of Medical Heat Shrink Tubes

FEP Heat Shrink Tube

FEP (fluorinated ethylene propylene) heat shrink tubing is engineered for high-precision medical applications, offering exceptional chemical resistance and durability under extreme conditions.

FEP heat shrink tubing is particularly useful in intricate medical processes such as aiding in the reflowing of catheter shafts, ensuring secure joint bonding, and facilitating the fusing of catheter shaft components.

Key Characteristics

Shrink Ratio

1.3:1 | 1.6:1 | 2:1

Excellent Chemical Resistance

High 
Transparency

Easy 
Peel
Off

High
Dielectric 
Strength

Biocompatibility

PET Heat Shrink Tube

PET heat shrink tubing is essential for various medical device applications, providing high strength and clarity and enhancing device safety and functionality.

Specifically, PET heat shrink tubing is integral in applications, including vascular interventions, structural heart procedures, tumor treatments, and various fields such as electrophysiology, gastroenterology, respiratory care, and urology. It is highly valued for its outstanding insulation capabilities, protective qualities, and ability to add structural stiffness to medical devices. Additionally, PET tubing is used for sealing, fixation, and providing strain relief in complex medical instruments, ensuring reliable performance and patient safety during critical procedures.

Key Characteristics

Superior 
Dielectric
Strength

Enhances
Stiffness with
Minimal Profile
Increase

Robust Hoop
Strength for
Secure Braid
Termination

Thermal Stability
across a Wide
Temperature
Range

Ideal for Protective
Coatings and
Component
Bundling SH

Polyolefin (PO) Heat Shrink Tube

Polyolefin (PO) heat shrink tubing is renowned for its durable, cross-linked structure, offering excellent mechanical and physical properties suited for medical applications. This tubing is designed to provide reliable protection and strength, making it indispensable for medical devices that require consistent performance under various conditions.

The significant advantage of polyolefin tubing lies in its low shrink temperature of 90 degrees Celsius, which allows for easy application using basic tools such as a heat gun, a small butane torch, or a low-temperature radiant oven. This feature simplifies the manufacturing and maintenance processes, making it a practical choice for medical environments. Additionally, PO heat shrink tubing is celebrated for its remarkable longevity and stability, maintaining its integrity without deterioration at standard temperatures, and ensuring long-term reliability in medical settings.

Key Characteristics

Exceptional
Optical
Clarity

Enhanced
Durability and
Strength

Superior
Chemical
Resistance

Highly Flexible
for
Varied
Applications

Economical without Compromising Quality

PTFE Heat Shrink Tube

PTFE medical heat shrink tubing, also known as polytetrafluoroethylene tubing, offers superior chemical resistance, biocompatibility, and low friction properties, making it ideal for high-purity applications like catheters and endoscopes. The outstanding lubricity of PTFE tubing significantly reduces friction, facilitating smooth and safe insertion into the human body. This feature is crucial in minimizing patient discomfort and risk during invasive procedures. Additionally, PTFE’s chemical inertness ensures that it does not react adversely with human tissue or other medical substances, making it a safe choice for long-term medical applications.

Key Characteristics

Chemical Inertness

High Thermal Stability

Smooth Surface Finish

Excellent Dielectric Properties

Biocompatibility

General Application of Heat shrink tube

Encapsulation

Heat shrink tubing provides a protective barrier around delicate components, shielding them from moisture, dust, and vibration. This encapsulation safeguards the integrity and functionality of sensitive medical devices.

Insulation

Heat shrink tubing acts as an electrical insulator, which is particularly crucial in electrosurgical devices as it prevents accidental contact and ensures safe operation. This insulation property is vital for patient and practitioner safety.

Wire Harness

In medical devices with complex wiring systems, heat shrink tubing bundles and organizes wires, preventing tangling and damage. This streamlined organization improves device functionality and maintenance.

Catheter Protective Jacket

Heat shrink tubing serves as a protective outer layer for catheters, enhancing their durability and lubricity. This added layer ensures smooth insertion and reduces patient discomfort during medical procedures.