Razor Wire–Different Types for Different Application Purpose

The application scopes of razor wire

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Razor wire comes in various forms, including welded razor wire, straight razor wire, flat razor wire, and concertina (or spiral) razor wire. Each type has distinct features and uses. Unlike barbed wire, razor wire covers a larger area and has closer spacing to better prevent unauthorized access.

• RW-01: Diamond welded razor fence.

• RW-02: Straight razor wire fence.

• RW-03: Flat razor wire.

• RW-04: Concertina razor wire.

• RW-05: Razor wire combined with chain link fence.

• RW-06: Razor wire combined with welded wire security mesh fence.

Welded Razor Wire

Diamond welded mesh straight razor wire offers a unique appearance with various mesh openings, typically 70×150 mm or 100×150 mm. This wire often includes a frame for stability. Its sharp tape makes it highly anti-climb, effectively deterring unauthorized access and crime. Typically used in conjunction with concertina razor wire, it offers high security and is commonly employed by military units, border security, and high-security facilities.

Straight Razor Wire

Straight razor wire is made from galvanized steel, providing excellent anti-corrosion properties. It’s packaged similarly to barbed wire and can be easily extended into a straight line for quick installation. Depending on specific needs, it offers versatile installation methods. Ideal for both standalone or combined use with other fences, it serves various applications, including residential areas, storage facilities, coal mines, farms, tourist sites, and parks.

Flat Razor Wire

Flat razor wire is crafted from carbon steel or stainless steel, offering superior hardness, rigidity, and longevity. It evolves from single-coil concertina wire, where multiple rolls are flattened and linked with clips or ties. It can serve as a standalone barrier or combine with other fencing solutions to create secure perimeters for diverse properties.

Concertina or Spiral Razor Wire

Concertina or spiral razor wire dominates more than 80% of the market due to its ease of installation and effective anti-theft properties. This type is widely used for border security and installed on factory or residential walls. Various diameters are available to meet specific needs, with border fencing typically measuring 800 or 900 mm in diameter, while residential applications often opt for 500 mm.

Concertina Wire

Concertina wire, or Dannert wire, is formed into large expandable coils, commonly used in military barriers. It also finds applications in non-military settings, like prisons, detention camps, riot control, and international borders. Originating in World War I, soldiers initially crafted concertina wire from ordinary barbed wire, which today is factory-produced for rapid deployment.

During World War I, barbed wire obstacles were manually constructed by soldiers. The concertina wire could be prepared in trenches and quickly deployed in hostile territories. It packs flat for easy transport and quickly expands to form an effective barrier. Modern versions can be swiftly deployed from vehicles, enhancing their practicality.

Dannert Wire

During the 1930s, German Horst Dannert developed concertina wire made from high-grade steel, eliminating the need for vertical posts. Capable of being compressed into a compact coil, an individual Dannert wire could be stretched to form a lengthy barrier easily secured into place.

Dannert wire was imported into Britain before World War II, with high demand during the invasion crisis leading to easier-to-cut versions. The less effective "Yellow Dannert" wire was supplemented with additional pickets to enhance its performance.

Triple Concertina Wire

A triple concertina wire fence consists of two parallel concertinas joined by wire twists, topped with a third concertina. This configuration forms an effective barrier that can be deployed quickly with minimal effort. It can be further strengthened with uprights, though at the cost of increased setup time.

"Constantine" Wire

Concertina wire is sometimes mistakenly called "constantine" wire, likely due to a misinterpretation of the term. While concertina wire forms a helical structure, razor wire, sometimes referred to as constantine wire, features periodically projecting teeth along its length.

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