Dunbar ArmorFlex® WFHS-221: Revolutionizing Cable Protection
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LAPP Tannehill - Tubing & Sleeving
- Mar 31, 2025
- 152views
Dunbar ArmorFlex® WFHS-221: Revolutionizing Cable Protection
Discover Dunbar ArmorFlex® WFHS-221, the next big thing in cable protection with superior durability, thermal performance, and easy installation. Ideal for all applications.
When it comes to protecting wires and cables, especially in challenging environments, finding the right product can be a daunting task. High abrasion resistance, thermal protection, and ease of installation are just a few of the critical requirements that must be met.
If you're tired of dealing with frayed cables, chemical exposure, or unreliable protection, ArmorFlex® WFHS-221 manufactured by Dunbar may be the breakthrough solution you've been searching for. This innovative product is poised to revolutionize the market by combining the mechanical strength of woven fabrics with the versatile benefits of heat shrink tubing, offering unparalleled protection and durability for a wide range of applications.
What is Dunbar's ArmorFlex® WFHS-221?
Dunbar's ArmorFlex® WFHS-221 is a specialty heat shrinkable tubing made from a blend of polyester and polyolefin. This composition creates a product that is not only flexible and easy to install but also provides high abrasion resistance and excellent mechanical protection.
The tubing is designed to shrink when heat is applied, ensuring a snug fit around the cables or wires it is meant to protect. Unlike traditional heat shrink tubing, ArmorFlex stands out for its woven fabric construction, making it better suited for the most demanding applications.
Key Features and Benefits
High Abrasion Resistance
One of the standout features of WFHS-221 is its exceptional abrasion resistance. The woven fabric construction provides a durable outer layer that protects cables and wires from wear and tear, making it ideal for applications where mechanical stress is a concern. This level of protection surpasses that of conventional heat shrink tubing, ensuring longevity and reliability.
Excellent Thermal Protection
ArmorFlex offers excellent thermal protection, with an operational temperature range of -67°F to 257°F (-55°C to 125°C). This makes it suitable for a variety of environments, from extreme cold to high heat. Traditional heat shrink tubing often falls short in maintaining performance across such a wide temperature range, but Dunbar ArmorFlex® WFHS-221 excels, providing peace of mind in diverse conditions.
Flexible and Easy to Install
The flexibility of the woven fabric allows for easy installation, even on irregular shapes and tight bends. The heat shrinkable nature of the tubing ensures a secure fit, providing reliable protection without the need for additional adhesives or tapes. Compared to other heat shrink tubing options, ArmorFlex provides ease of installation, saves time, and reduces labor costs.
Chemical and UV Resistance
In addition to its mechanical and thermal properties, WFHS-221 is also resistant to a wide range of chemicals and UV radiation. This makes it suitable for outdoor applications and environments where exposure to harsh chemicals is a concern. Conventional heat shrink tubing may degrade under such conditions, but Dunbar ArmorFlex® WFHS-221 remains resilient, ensuring long-term protection.
Technical Specifications
For a more detailed understanding of ArmorFlex, let's take a look at its technical specifications. The following tables provide essential data on the product's dimensions, shrink ratios, and performance characteristics.
Dimensions and Shrink Ratios
| Part Number | Expanded ID (mm) | Recovered ID (mm) | Wall Thickness (mm) | Shrink Ratio |
|---|---|---|---|---|
| WFHS-0.5 | 12.7 | 6.35 | 1.27 | 2:1 |
| WFHS-1 | 25.4 | 12.7 | 1.27 | 2:1 |
| WFHS-2 | 50.8 | 25.4 | 1.27 | 2:1 |
| WFHS-3 | 76.2 | 38.1 | 1.27 | 2:1 |
| WFHS-4 | 101.6 | 50.8 | 1.27 | 2:1 |
Performance Characteristics
| Property | Test Method | Typical Value |
|---|---|---|
| Operating Temperature | - | -67°F to 257°F (-55°C to 125°C) |
| Shrink Temperature | - | 194°F (90°C) |
| Tensile Strength | ASTM D2671 | 14 MPa |
| Ultimate Elongation | ASTM D2671 | 300% |
| Longitudinal Change | ASTM D2671 | ±5% |
| Specific Gravity | ASTM D792 | 1.3 |
| Flammability | UL224 | VW-1 |
| Dielectric Strength | ASTM D149 | 20 kV/mm |
| Chemical Resistance | - | Excellent |
| UV Resistance | - | Excellent |
Applications of ArmorFlex® WFHS-221 Woven Fabric Heat Shrink Tubing
Automotive Industry
In the automotive industry, where cables and wires are subjected to constant vibration and abrasion, Dunbar ArmorFlex® WFHS-221 provides reliable protection. Its high abrasion resistance ensures that cables remain intact and functional, even in the harshest conditions. This level of protection is unmatched by traditional heat shrink tubing, making WFHS-221 the superior choice.
Electric Vehicle Industry
The rapid growth of the electric vehicle (EV) industry has brought about an increased need for reliable and durable cable protection solutions. ArmorFlex WFHS-221 is particularly useful in this sector due to its high abrasion resistance and thermal protection.
Additionally, its availability in orange color is essential for identifying high-voltage cables, ensuring safety and compliance with industry standards. The distinctive orange color version of ArmorFlex allows for easy identification of high-voltage cables, which is critical in the EV industry where safety and visibility are paramount. This feature not only enhances operational safety but also aligns with industry regulations and best practices.
Aerospace and Defense
For aerospace and defense applications, where reliability and durability are paramount, ArmorFlex offers the necessary protection. Its wide operating temperature range and excellent mechanical properties make it suitable for use in aircraft, military vehicles, and other high-stress environments. Dunbar’s WFHS-221 woven fabric heat shrink outperforms conventional heat shrink tubing, ensuring mission-critical systems remain operational.
Industrial Machinery
In industrial settings, cables and wires are often exposed to harsh chemicals, mechanical wear, and extreme temperatures. ArmorFlex® WFHS-221’s chemical and UV resistance make it an ideal choice for protecting cables in these demanding environments. Unlike standard heat shrink tubing, ArmorFlex maintains its integrity and performance, delivering superior protection.
Consumer Electronics
For consumer electronics, where flexibility and ease of installation are important, Dunbar's ArmorFlex® provides a practical solution. Its heat shrinkable nature ensures a secure fit, while its flexibility allows it to be used in tight spaces and around complex shapes. This makes WFHS-221 a step above traditional heat shrink tubing, offering enhanced convenience and reliability.
Telecommunications
In telecommunications, where cables are often installed outdoors and exposed to the elements, ArmorFlex heat shrink UV and chemical resistance are invaluable. It provides long-lasting protection, ensuring the reliability of communication networks. Conventional heat shrink tubing often fails under such conditions, but ArmorFlex delivers consistent performance.
Why Dunbar ArmorFlex® WFHS-221 is the Best Heat Shrink Choice for Cable Protection
ArmorFlex® WFHS-221 by Dunbar stands out as the next big thing in cable protection for several reasons. Its innovative combination of woven fabric and heat shrink technology offers advantages that traditional heat shrink tubing simply cannot match. Here’s why ArmorFlex is better:
Superior Durability: The woven fabric construction provides enhanced durability and abrasion resistance, making it ideal for high-stress applications.
Thermal Performance: With an operational temperature range of -67°F to 257°F (-55°C to 125°C), WFHS-221 performs reliably in extreme conditions.
Ease of Installation: Its flexibility and heat shrinkable nature make it easy to install, saving time and labor costs.
Chemical and UV Resistance: ArmorFlex resists degradation from chemicals and UV exposure, ensuring long-term protection.
Safety Compliance: The orange color option is perfect for high-voltage cable identification, particularly in the EV industry.
ArmorFlex® WFHS-221 is set to be the next big thing in cable protection. Its combination of high abrasion resistance, excellent thermal protection, and ease of installation make it better than other heat shrink tubing options available on the market. Suitable for a wide range of applications, from automotive and aerospace to industrial machinery and consumer electronics, this woven fabric heat shrink solution offers unparalleled durability and protection.
Whether you are looking to protect cables in a high-stress environment or simply need a reliable solution for everyday applications, ArmorFlex® WFHS-221 stands out as the superior choice. Invest in this specialty heat shrink today and experience the next level of cable protection that ensures the longevity and reliability of your wire and cables.
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