Paracord, also known as parachute cord or 550 cord, is a versatile and durable material originally used in parachute suspension lines. Over time, it has gained popularity among outdoor enthusiasts, survivalists, and hobbyists for its strength and multitude of applications. The science behind its durability lies in its construction, which consists of a core and an outer sheath made of woven strands. Understanding the different types and strength ratings of paracord is essential for selecting the right cord to suit specific needs and ensure reliability in various situations.
The history and evolution of paracord can be traced back to its military origins during World War II. Since then, its uses have expanded to include numerous practical applications in various industries and creative projects. Key factors that contribute to paracord’s strength include the materials used, the number of strands in the core, and the construction of the outer sheath.
As with any material, proper care and maintenance of paracord ensures its longevity and performance. Knowing the physical properties of paracord, as well as its limitations, will enable users to make informed decisions about which type to choose for their specific needs and how to use it safely and effectively.
Key Takeaways
- Paracord is a strong and versatile material with origins in military parachute suspension lines
- Understanding different types and strength ratings is vital for choosing the right paracord for specific applications
- Proper care and knowledge of physical properties contribute to the durability and performance of paracord
History and Evolution of Paracord
From World War II to Modern Day
Paracord, also known as parachute cord, was initially developed during World War II for use as suspension lines in military parachutes. The high strength and lightweight qualities of this nylon rope made it ideal for parachutes. The evolution of paracord can be traced back through the years from wartime applications to modern-day utilizations by outdoor enthusiasts and survivalists.
After World War II, paracord became more readily available, and soldiers found various emergency applications for it in the field. The versatility of paracord made it a popular choice for military personnel as well as civilians, given its numerous uses in different survival situations.
Military Specifications and Civilian Use
Paracord is produced under strict military specifications known as Mil-Spec or Mil-C-5040. These specifications ensure the quality, strength, and durability of the cord meet the required standards. There are different types of paracord, but the most common one used is the 550 paracord or Paracord Type III. This type of paracord is known for its many applications, including emergency repairs, shelter building, and knot tying.
The popularity of paracord has extended beyond military use, with numerous outdoor enthusiasts and survivalists discovering its many potential uses. Here’s a brief list of some common applications for paracord:
- Tying down equipment or gear
- Rigging a shelter or hammock
- Making a tourniquet or splint in emergency situations
- Crafting paracord bracelets, lanyards, and other accessories for everyday carry
In summary, the history and evolution of paracord have seen it develop from a crucial military tool in World War II to a versatile and multi-functional rope for a wide range of applications today. Its durability, strength, and lightweight nature make it a popular choice for both military personnel and civilians alike.
Understanding Paracord Types
Paracord is widely used for various applications due to its strength, durability, and versatility. To comprehend its capabilities better, it is crucial to delve into the different types of paracord and their respective characteristics. This section focuses on understanding the different types of paracord along with an explanation of the popular 550 paracord.
Type I, II, III, and IV
There are four primary types of paracord – Type I, II, III, and IV. Each type has its own unique specifications in terms of strength, diameter, and the number of inner strands. The table below shows a quick comparison of these types:
| Type | Minimum Breaking Strength (lbs) | Number of Inner Strands | Diameter (mm) |
|---|---|---|---|
| Type I | 95 | 1-3 | 1.32 |
| Type II | 400 | 4-6 | 2.38 |
| Type III | 550 | 7-9 | 2.57 |
| Type IV | 750 | 10-12 | 3.18 |
Type I paracord is the thinnest and has the least strength among the four types. With a minimum breaking strength of 95 lbs, it is suitable for light-duty applications.
Type II paracord, often called the middle child, has a minimum breaking strength of 400 lbs. It’s thicker than Type I and has more inner strands, making it ideal for more demanding tasks1.
Type III is the most popular variant, commonly known as 550 paracord. It has a minimum breaking strength of 550 lbs, with 7-9 inner strands, and offers a good combination of strength and size2.
Type IV paracord is the strongest of the four, with a minimum breaking strength of 750 lbs. It has the thickest diameter and the highest number of inner strands, making it suitable for heavy-duty applications3.
The 550 Paracord Explained
The 550 paracord, derived from Type III, is highly regarded for its strength-to-size ratio, making it a favorite among survivalists and outdoor enthusiasts4. It is called ‘550 paracord’ because of its minimum breaking strength of 550 lbs. The paracord’s sheath is made of 32 or 36 nylon fibers, depending on the manufacturer5.
One of the reasons for 550 paracord’s popularity is its versatility. It can be used for various tasks, from setting up shelters and rappelling to crafting durable and long-lasting products6. Another contributing factor to its widespread use is its availability in MIL-SPEC (Military Specification) version, ensuring high quality and meeting strict standards for military applications7.
In conclusion, understanding the different types of paracord and their unique characteristics helps users make informed choices when selecting the most suitable type for their needs. The 550 paracord’s popularity is a testament to its versatility, strength, and durability, making it a valuable tool for outdoor enthusiasts and survivalists alike.
Footnotes
- https://morethanjustsurviving.com/paracord/ ↩
- https://www.paracordplanet.com/blog/paracord-strength-sizes-and-types/ ↩
- https://byhoutdoor.com/how-strong-is-paracord/ ↩
- https://www.survivalsullivan.com/paracord-types/ ↩
- https://thehikingauthority.com/how-strong-is-paracord-paracord-weight-limits-and-weight-ratings-explained/ ↩
- https://byhoutdoor.com/how-strong-is-paracord/ ↩
- https://www.paracordplanet.com/blog/paracord-strength-sizes-and-types/ ↩
Physical Properties
Core and Sheath Structure
Paracord consists of a core, made up of multiple twisted strands, surrounded by a woven outer sheath. This unique structure allows paracord to maintain its tensile strength while providing flexibility and durability. The number of core strands determines the type of paracord, with Types I to IV having increasing numbers of strands, Type III (550 Paracord) being the most common.
Materials and Manufacture
Paracord was initially made of nylon, but it is also commonly made from polyester nowadays. The properties of these materials provide the strength, durability, and resistance needed for various applications. The manufacturing process involves braiding the outer sheath around the twisted core strands, resulting in a flexible and strong cord.
Diameter and Thickness
The diameter and thickness of paracord are important factors in determining its physical properties and applications. The diameter usually ranges from 1/16″ to 3/8″. There are four types of paracords, with Type III having a diameter of approximately 4.0mm and Type IV having a diameter of 5.0mm.
Tensile and Breaking Strength
The tensile strength of paracord is the maximum weight it can support without breaking. Type III paracord, with a tensile strength of 550 lbs, is popular for its versatility and strength. However, it is essential to consider the safe working load of paracord, which is 20-30 percent of the total weight rating.
Stretch and Flexibility
Paracord’s stretch and flexibility are directly influenced by its core and sheath structure. The braided nylon or polyester outer sheath provides a level of elasticity, while the twisted inner core strands maintain strength. The level of stretch and flexibility also depend on the type and thickness of the material, with nylon typically being more elastic than polyester.
Resistance to Rot, UV, and Chemicals
Paracord materials, like nylon and polyester, are generally resistant to rot, mildew, and UV rays. This resistance enables paracord to withstand harsh conditions outdoors without losing its integrity. However, exposure to certain chemicals may have adverse effects on paracord, so caution should be taken in environments with strong chemicals.
Practical Applications
Survival and Emergency Usage
Paracord, especially the popular 550 variety, is known for its strength and durability. In survival situations, its strength can be the difference between life and death. One common use of paracord in emergencies is for creating temporary shelters. Its high tensile strength allows it to support the weight of tarps, tents, or improvised coverings.
Additionally, paracord can be utilized for fishing lines, fire starters, and snare traps, thanks to its versatile nature. Since the inner strands can be separated from the outer sheath, this gives users even more options to adapt to their needs.
Utility and Versatility in Outdoor Activities
Outdoor enthusiasts appreciate paracord for its utility and versatility. When camping, you can use paracord to secure items, create clotheslines, and even replace broken shoelaces or tent lines.
Hikers benefit from paracord’s lightweight nature, making it an essential addition to their pack. It can be utilized for emergency rappelling or creating a makeshift harness if needed. With its unique stretch characteristics, paracord is perfect for various outdoor activities.
Crafting and Fashion
Paracord has made its way into the world of crafts and fashion as well. People create bracelets, lanyards, belts, and other jewelry from paracord due to its appealing colors, patterns, and combination possibilities. Paracord has even been used in weaving techniques to produce functional and fashionable items.
Here are some common paracord craft items:
- Bracelets: Wrist wear that can be unraveled for easy access to the cord in emergencies.
- Lanyards: Useful for attaching keys, tools, and other small gear, while also providing easy access to cordage when needed.
- Belts: Stylish and functional, paracord belts combine durability with a unique fashion statement.
- Jewelry: Earrings, necklaces, and anklets made from paracord showcase creativity and versatile fashion options.
From its life-saving capabilities in survival scenarios to its everyday utility and creative possibilities, paracord is a valuable resource for both outdoor enthusiasts and crafters alike. Its strength, durability, and versatility make it a popular choice for a wide range of applications.
Paracord Strength Ratings
Understanding Load Capacity
Paracord strength ratings generally refer to the minimum breaking strength, or the point at which the cord can no longer support its load and fails. For example, a popular paracord type, known as the Type III 550 paracord, has a minimum strength rating of 550 pounds. This indicates that the cord can support up to 550 pounds of weight before breaking. Keep in mind that the actual load capacity varies depending on the specific type of paracord and how it is used.
It is crucial to work with safe working load limits, which are usually 20-30% of the total strength rating of a paracord. This means that a 550 paracord has a maximum safe working load of approximately 110-165 lbs. Working within these limits helps ensure the longevity and functionality of your paracord.
Strength-to-Weight Ratio
Paracord is valued not only for its durability but also for its impressive strength-to-weight ratio. This feature allows it to be lightweight while still providing ample load-bearing capacity. Different types of paracord come with varying strength ratings, and understanding these is key to choosing the right one for your needs. Here are some common paracord types and their respective strength ratings:
- Type I: 95-100 pounds minimum strength
- Type II: 400-425 pounds minimum strength
- Type III (550): 550 pounds minimum strength
- Type IV (750): 750 pounds minimum strength
The strength-to-weight ratio of a paracord directly affects its applications in various tasks. For instance, Type III 550 paracord is typically suitable for general-purpose tasks like setting up tents, creating survival bracelets, or crafting projects. In contrast, Type IV 750 paracord, with its stronger load-bearing capacity, may be appropriate for heavier-duty requirements.
In conclusion, understanding paracord strength ratings and working within safe load limits ensures optimal performance and longevity. Bearing in mind the strength-to-weight ratios of different types of paracord can help you choose the right one for your specific needs.
Care and Maintenance of Paracord
Storage Recommendations
Proper storage plays a crucial role in maintaining the durability and strength of paracord. To ensure your paracord retains its quality, store it in a cool, dry place away from direct sunlight. It is recommended to coil or spool the paracord to avoid tangles and knots. When storing paracord for an extended period, place it in an air-tight container or bag to minimize exposure to moisture and dust.
Longevity: Factors Affecting Paracord Aging
Several factors can affect the aging of paracord, impacting its quality and lifespan. Some of these factors include:
- Sunlight: Prolonged exposure to sunlight can cause UV damage, leading to fading and weakening of the fibers.
- Moisture: Paracord can absorb water, which can cause mildew and mold growth over time, reducing its strength and durability.
- Chemicals: Exposure to certain chemicals, such as bleach or gasoline, can damage paracord fibers, compromising their integrity.
- Abrasion: Rubbing or scraping against rough surfaces can cause fraying and wearing out of the outer sheath, ultimately affecting the paracord’s overall strength.
To maximize the longevity of your paracord, minimize its exposure to these factors and clean your paracord when necessary.
Inspecting for Wear and Damage
Regular inspection of your paracord is essential to ensure its ongoing durability and effectiveness. When assessing your paracord, pay attention to the following signs:
- Fraying or broken fibers in the outer sheath
- Discoloration or fading due to UV damage
- Mold or mildew growth from prolonged exposure to moisture
- Stiffness or brittleness, indicating the breakdown of fibers
If any of these signs are present, consider replacing your paracord to guarantee its reliability during use.
By following these care and maintenance guidelines, you can help to prolong the life of your paracord and maintain its strength and durability for various applications.
Comparative Analysis
Paracord vs Other Ropes
Paracord is a highly versatile and strong cord that has become a staple in survival and outdoor scenarios. It is made of nylon and has a unique construction, consisting of an outer sheath and multiple inner strands that give it its strength and flexibility. One property that sets paracord apart from other ropes is its high strength-to-weight ratio, with 550 paracord having a safe working load of around 110-165 lbs.
Compared to other ropes, paracord has certain advantages and disadvantages:
Advantages:
- Lightweight
- High strength-to-weight ratio
- Abrasion and rot resistance due to nylon material
- Multi-purpose with numerous applications
Disadvantages:
- Less grip compared to natural fiber ropes
- Melts easily when exposed to high heat
- Lower strength compared to specialized ropes like climbing ropes
Kernmantle Rope Differences
Kernmantle rope is a type of rope that shares some similarities with paracord in terms of construction. Both have an outer sheath (the “mantle”) and inner core strands (“kern”). However, there are some key differences between them:
Material: While paracord is made of nylon, kernmantle ropes can be made from a variety of synthetic fibers, including polyester and polypropylene. This allows for a wider range of performance characteristics depending on the intended application.
Construction: Kernmantle ropes usually have a tighter and more robust construction compared to paracord, with more numerous and thicker inner strands, providing increased strength and durability.
Strength: Depending on the type and construction, kernmantle ropes can have significantly higher strength ratings than paracord. For example, a dynamic climbing rope, designed to absorb the impact of falls during climbing, can have a breaking strength of up to 5,000 lbs or more, far surpassing that of 550 paracord.
Applications: Kernmantle ropes are specifically designed for certain applications, such as climbing, rescue operations, or industrial use, where strength and reliability are paramount. Paracord, on the other hand, excels in versatility and is favored in situations where a wide variety of tasks may need to be accomplished with limited resources.
In conclusion, paracord and kernmantle ropes serve different purposes and have unique strengths and weaknesses. Depending on the intended use and specific requirements, either of these cords could prove to be the most suitable choice.
How to Select the Right Paracord
Guide to Types and Uses
When selecting the right paracord for your needs, it’s essential to have a clear understanding of the available types. There are four main types of paracord: Type I, Type II, Type III, and Type IV. Each type varies in size, strength, and potential uses, with Type III (also known as 550 paracord) being the most commonly used in day-to-day life.
Here’s a brief overview of each type:
- Type I: Offers a break strength of 100 pounds or less and generally doesn’t contain internal strands. It’s suitable for lightweight crafts or securing small objects. Example: Nano Paracord
- Type II: Provides a slightly higher break strength (up to 200 pounds or less), typically with 4 to 7 internal strands. This variety can be used for outdoor activities, gear repair, and crafting projects.
- Type III: Also known as 550 paracord, it has a break strength of 550 pounds and is versatile for various applications, including making survival bracelets, emergency kit components, and hiking gear.
- Type IV: This heavyweight paracord has a break strength of 750 pounds, featuring 11 internal strands. It’s perfect for more demanding tasks that require a sturdy and reliable cord.
Key Considerations for Quality and Authenticity
To ensure that you’re purchasing high-quality paracord, consider the following factors:
- Material: Genuine paracord should be made of nylon, as it offers superior flexibility, durability, and resistance to abrasion. Avoid polyester or other materials that may not provide the same level of performance.
- Inner Strands: The number of inner strands is a crucial factor in determining the paracord’s strength and overall quality. Check the product specifications to ensure you’re getting the desired type of paracord.
- Manufacturer: When possible, opt for military-grade paracord, which adheres to strict manufacturing standards and ensures consistent quality and performance.
- Size: Be mindful of the paracord’s diameter, as this can impact its usability and weight-bearing capacity. Remember that type III (550) paracord has a nominal diameter of roughly 1/8 inch (3.18 mm) and is preferred by users for general purposes.
- Color: Although color may not directly impact the paracord’s performance, it’s essential to choose a shade that suits your intended use, such as a vibrant hue for easy visibility or a camouflage pattern for blending in with your surroundings.
By considering these factors and understanding the different paracord types, you can confidently select the ideal cord for your needs and rest assured that it will be reliable and durable in various conditions.
Creative Uses of Paracord
Paracord in Crafting Projects
Paracord has become a popular material in the world of crafting due to its durability, flexibility, and variety of colors available. One of the most common uses of paracord in crafting is creating paracord keychains, providing both style and functionality. Fashion enthusiasts have also embraced paracord, using it to create intricate jewelry designs, such as bracelets, necklaces, and anklets.
Outdoor enthusiasts have found many practical applications for paracord in their adventures. For example, a lightweight, portable hammock can be fashioned out of paracord, providing comfort and convenience during camping trips. Additionally, paracord can be used to construct a sturdy shelter when combined with a tarp or other covering material.
Innovative Applications in Everyday Life
Paracord offers an impressive range of uses in everyday life, from simple fixes to more innovative applications. As a replacement for traditional shoelaces, paracord can provide added durability and strength to your footwear. Moreover, it can be fashioned into a tool belt to keep essential tools at hand while working on various projects.
In emergency situations, paracord can be unraveled to reveal an inner core, which can be further divided into finer strands. These strands can serve as a reliable fishing line or even be woven together to create a makeshift net for catching fish or securing various items.
Using paracord in everyday life provides functional solutions and adds a touch of creativity. Whether crafting unique jewelry or using it for practical purposes, the applications of paracord are only limited by one’s imagination.
Frequently Asked Questions
How Strong Is Paracord?
Paracord, also known as 550 cord, is a versatile and strong cord used in various applications. Specifically, 550 paracord is rated to hold 550 pounds of static weight and has a safe working load of around 110 to 165 pounds. This strength comes from the combination of materials like nylon and the craftsmanship involving weaving the inner strands within a protective outer layer.
Can Paracord Be Used for Climbing?
While paracord is known for its strength, it is not recommended for climbing activities. The primary reason is that paracord’s safe working load is mostly insufficient to support the dynamic forces involved in climbing. Instead, climbers should use specialized climbing ropes designed to withstand the specific demands of climbing, including fall protection and durability.
How to Identify Genuine Mil-Spec Paracord?
To ensure the highest quality and strength, it’s crucial to identify genuine Mil-Spec Paracord, also known as MIL-C-5040H. Here are some key characteristics to look out for:
- Outer Sheath: Authentic Mil-Spec paracord has a tightly woven outer sheath, which gives it a smooth and even texture.
- Inner Strands: Genuine Mil-Spec paracord will contain 7 to 9 inner strands, each consisting of 3 individual yarns.
- Color-coded ID Marker: One of the inner strands should have a colored marker thread, indicating the manufacturer.
- Elongation: Genuine Mil-Spec paracord has a minimum elongation of 30% when a load is applied.
By considering these factors, one can determine if they have genuine Mil-Spec paracord, ensuring the utmost reliability and strength for their projects and uses.
Conclusion
In summary, paracord is a highly versatile and durable material, primarily due to its unique kernmantle construction. This type of construction consists of an inner core containing multiple strands, all of which are protected by a woven outer sheath. The popular 550 paracord exhibits a strength rating capable of holding up to 550 lbs of static weight with a safe working load of approximately 110-165 lbs.
To further illustrate paracord’s strength, consider the following table:
| Type | Main Use | Strength Rating | Safe Working Load |
|---|---|---|---|
| 550 Paracord | General-purpose binding | 550 lbs | 110-165 lbs |
The primary material used in the construction of paracord is nylon, which imparts resilience and durability to the cord. The careful weaving process, in tandem with the inherent properties of nylon, contributes to the overall strength of paracord. By understanding these factors, users can confidently select the appropriate type of paracord for various applications.
In addition to durability, paracord’s widespread popularity can be attributed to its numerous practical uses. The cord has been employed in the realm of outdoor activities, survival gear, and even everyday tasks, further emphasizing the versatility it offers. Remember to keep in mind the recommended safe working load when using paracord and always prioritize safety.