Kevlar rope strength chart. These should be used as an indication ONLY.

• Kevlar rope strength chart. 15 times the tensile strength of steel. The Flex-X® process provides a smooth, extremely compact wire rope with greater surface area and more steel per given diameter, which increases strength, fatigue resistance and wear resistance. For heavy tasks, go for Kevlar™ due to its exceptional strength. Dynamic Loading occurs when rope is subjected to sudden or extreme stress. Normally, braided rope has greater strength and lower elongation than a three-strand rope of equal diameter. Here is a brief summary of the relevant criteria and "winners" in my mind. 44 Stretch Elongation at Break Point 2. There are 5 major synthetic ropes in use for boat and marine applications. We have gathered the core information you need to know! Read more here! Understand the breaking strengths of wire rope by size and construction. Proper Comparing the strength and characteristics of aramid (Kevlar, Technora, Twaron, Vectran) rope strength. Compared to Kevlar®, nylon and polyester have relatively low moduli and intermediate melting points. For the same weight it has approx. Order online or start a free custom consultation with our fiber experts. he same minimum breaking force, size for size. 2mm Zline Slick is sort of the de facto Breaking strains are calculated according to Yarn Tenacity Specifications supplied by our Yarn Manufacturer. Developed by Stephanie Kwolek at DuPont in 1965, [3][2][4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires. Kevlar, a super-strong synthetic fiber, is a key component in everything from bulletproof vests to racing sails. Discover strengths, weaknesses, and best uses for a variety of ropes. If your winch is not shown here, you can apply a general rule of thumb: synthetic lines generally replace the equivalent length and diameter of wire rope that is standard from the winch OEM. KevTec-12 offers the high strength, high temperature characteristics needed for use in industrial, aerospace, and machine operations in an easy to splice, low stretch 12 strand construction. It is known for its exceptional strength-to-weight ratio, high tensile strength, and resistance to heat and impact. 400lb-2000lb BRAIDED KEVLAR LINE. Maximising Performance -Matching sheave profiles and diameters to ropes is essential, and there are a number of different criteria that need to be taken into account. Combining strength, flexibility and dimensional stability, ropes and cables made with DuPont™ Kevlar® brand fiber come in a variety of constructions. Minimum breaking strength and safe load for Bright wire, uncoated, fiber core (FC) wire rope, improved plow steel (IPS): Synthetic Rope Comparison Comparing the Major Synthetic Rope Materials When deciding what rope best suits your need, it is often a matter of compromise. This Because causes your it has jib excellent to sag at grip, the itluf, works and well on keeps With each application, your choices of wire ropes can be many. 0mm UHMWPE braided cord! In the quest for the most optimal guyline and bear line, I developed the table linked above. Unlike nylon or polyester, it maintains strength at extreme temperatures and resists chemical degradation. 5% Effect of Heat Decomposes at 930° F Effect of Acids Resists most acids. These strengths are based on tests of new and unused rope, with appropriate splices. Each has outstanding virtues and DENVER ROPE - ROPE STRENGTH GUIDE The Best Custom Boat Lines, Custom Colored Ropes, & Special Assemblies made to Your Specifications AmSteel-Blue is a lightweight Dyneema rope with unmatched strength, abrasion, and cut resistance—ideal for winch lines, towing, and rigging. 3) shows how Dyneema® ropes behave over a period of time. View load ratings and safety insights to choose the right cable for your project. Increasing the diameter, and thus the strength, over the Discover our Kevlar Rope selection, renowned for its exceptional strength and thermal stability. TLDR: Check out this table and tell me what you think of Dacron and 1. . Just ask Ken, he knows! Inferno Cord & Technora® Shop our collection of premium Aramid and inferno cord with more than double the strength of standard paracord. This is achieved through using a high tenacity core material, Kevlar, to provide the strength required whilst delivering a fantastic mooring rope in application. Before you choose, it pays to look closely at each rope’s special properties. Depending on the type of kevlar or technora, the strength of the rope can vary. FIBER-LINE®’s ability to add value to the already atractive properties of both Kevlar®Para-Aramid & Nomex® Meta-Aramid creates more opportunity in the market place to provide solution driven products to a diverse range of markets. Properties and characteristics of Kevlar, Twaron or Aramid fibers used in ropes and cordage for boats. If you need something versatile, polyester holds up well in wet conditions and resists UV damage. PolyKev is a double braided construction that adds an Use of Working Loads Because of the wide range of rope use, rope condition, and exposure to the various factors affecting the rope, it is impossible to make blanket recommendations as to the correct choice of rope to use. Kevlar® is inherently flame resistant—protecting against thermal hazards up to 800 degrees Fahrenheit. The Have introduction you ever had of polyester a dificult fiber time allowed furling your rope jibmanufacturers when the breeze to build ropes picked that up? were Many as strong times, as this nylon, is due but to with an old much halyard less stretch and that wet-strength is stretching. KV is braided from aramid fibers and has all of Kevlar’s well-known characteristics of durability, pliability and extraordinary tensile strength. Explore the differences between Kevlar and Dyneema in strength, durability, and industrial uses. While 6 x 19 ropes have more abrasion resistance, the 6 x 36 ropes have more fatigue resi 1500 Denier; 1000 Filaments. How do you know which one works best for you? Ropes include a combination of properties that give them specific performance abilities. Jul 27, 2025 · Kevlar Fiber : the braided kevlar string is made of 100% kelvar fiber which is of high strength, high harness, high toughness and high abrasion resistance. Because the core material and the sheath material can have radically different densities, stating this difference in terms of material volume is probably more useful than in terms of Technical Guide for Kevlar® Aramid Fiber 6 SECTION II: PROPERTIES OF DUPONT™ KEVLAR® Table II-2 compares the properties of Kevlar® 29 and Kevlar® 49 to other yarns, such as glass, steel wire, nylon, polyester, polyethylene and carbon. Find out how Kevlar® is produced, structured and affected by various environmental factors. Mar 16, 2023 · Rope strength depends on the rope thickness, materials, how it is woven, and how you handle it. comFree shipping on orders over $150 (Does not include Promo Code Orders) Compare Yale Cordage ropes by strength, elongation, weight, energy absorption, splice complexity, and dielectric data in our detailed engineering chart. You now have the flexibility to choose which option best meets your needs. Same and Next Day Delivery. Most threads come in two or more putups and there is no minimum order. It has become a crucial part in various industries, from aerospace to sports equipment. This significant improvement in strength performance gives you greater design flexibility. Static ropes may be made of Nylon, Polyester, HMPE (Dyneema) and Aramid Fibers (Technora, Kevlar), or a combination of those fibres. Below you will find a handy all-in-one wire rope weight guide. Jul 5, 2023 · Kevlar is a brand name for a para-aramid synthetic fiber invented by Stephanie Kwolek at DuPont. Light, with incredible strength, Dyneema embodies all these properties. Dec 26, 2024 · To choose the best rope for any job, you'll want to reflect on material properties and specific requirements. Rope made from this type of fiber shows very low elongation and tensile strength. Buy what you need. Nov 11, 2019 · The bowline suffers from a large reduction in rope strength, with up to a 80% loss with D2 rope (Dyneema, which is similar to kevlar fiber, which are the numbers shown in red). Polypropylene, Polyester, Nylon, UHMWPE (Ultra High Molecular Weight Polyethylene) and Aramids (Kevlar®, Technora®, Vectran®, etc). Bear line Apart from being light ad cheap, cord needs to be slick and strong (300+ lbs). Kevlar material is a popular strong, heat resistant material that has many benefits. 1. Rope must be tested for specific uses. There’s innovation in every fibre. ) Is there much of a difference in strength loss between cord and webbing? What about nylon vs. Lightweight polypropylene is great for marine use. Break Load Charts To view Break Load Charts on our products, please click on the links below: Marine Braids Break Load Chart Ropes Break Load Chart for 3 Strand, 8 Strand and 12 Strand ropes Standards for Strength and Applications NEW ROPE TENSILE STRENGTH New Rope Tensile Strengths (break load) as stated are based on the manufacturer’s standard test methods. Kevlar’s durability and versatility make it a go-to material for improving product performance and safety. Dyneema? What about a standard anchor configuration with a knotted sling? Do multiple knots in the same cord decrease the strength Nov 1, 2017 · ROPE SPECS BREAKING STRENGTH: Greater line holding working loads are achieved by increasing the diameter of the line. Jun 24, 2024 · Properties of Kevlar High tensile strength and toughness Good resistance to abrasion, cutting, and chemicals High thermal stability Excellent resistance to impact and fatigue Low elongation (low stretch) Applications of Dyneema and Kevlar Both Dyneema and Kevlar have a wide range of applications, from industrial uses to everyday products. Feb 23, 2021 · Looking for the right rope for your need? here are 5 types of rope with their strength, weakness, and common uses. With Dyneema being "The World’s Strongest Fibre" and returning a break strength far superior to that of polyester, a comparable diameter core of Dyneema core as opposed to polyester will return a strength difference of up to 4 times stronger. KEVLAR® (KV) is a soft, flexible sleeving that’s perfect for bundling and protecting vulnerable components from the most extreme environmental conditions. For example, while a typical nylon rope may have a tensile strength of around 5,000 pounds, a comparable Kevlar rope can handle an impressive 25,000 pounds or more. Jul 2, 2024 · Tying a knot in rope, cord or sling decreases the strength. General KEVLAR Information: DuPont Kevlar® poly-para-phenylene terephthalamide (aramid) has a unique combination Polyester 3-strand and 8-strand rope - minimum breaking strength and safe load. Remember to evaluate breaking tenacity, environmental factors, and the Tech Manual Our goal at Sterling Rope is to make the highest quality, most technically advanced rope and cord for the rescue, climbing, life safety, and OEM markets. vlartm ropes Made of DuPont KEVLARTM, Novabraid KevTec-12 Single Braid and PolyKev Double Braid Ropes meet the needs of architectural, industrial engineering, and interior design projects calling for strong yet fire resis. Mar 28, 2017 · Golberg is proud to introduce KEVLAR Paracord. Rope strength can be expected to Kevlar™ rope offers 5 times the strength of steel on a pound-for-pound basis. Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. It has a tested tensile strength rating of 1250 lb! You can also craft bracelets, key fobs, lanyards, or use as boot laces. Aramid (such as Kevlar®, Twaron®, Technora® and more) Properties are Impressive! Para-aramid fibers such as Kevlar® and Twaron®, which are slightly different, have outstanding strength-to-weight properties, and have high tenacity which makes it difficult to cut or fray. The diameter of the Tension stress-strain curve of a Kevlar cord (type 0. Jun 17, 2025 · Kevlar fabric is a super-strong, lightweight material designed to protect you while staying flexible. However, their unique properties make them better Kevlar (tm) is one of the strongest and most heat resistant commercially available threads. It is typically spun into ropes or fabric sheets that can be used as such, or as an ingredient About Kevlar Kevlar has many applications, ranging from bicycle tires and racing sails to bulletproof vests, because of its high tensile strength-to-weight ratio; by this measure it is five times stronger than steel. 9KM DWLIFE Kevlar Kite String, 70lb 1000Ft, Twisted Kevlar Line, Low Stretch, High Strength, Heavy Duty, Fishing Assist Cord, Camping, Hiking, Outdoor Survival Rope 185 50+ bought in past month $1399 ($0. Tough String : every kevlar fiber is of high tensile strength. 95 mm. However, because the impregnated Keviar is stiff, it requires a reduced helix angle and a more open weave. With DuPontTM Kevlar® K-29 AP, you can use less yarn to achieve the same level of performance, resulting in cost savings, or you can continue to use the same amount of yarn and design higher performing products. Widely used in bulletproof vests, firefighters suits, motorcycle gear, and more for years, now you can have some of that same strength too! Our aramid cord's unique advantage ROPE As with all the MaxMarine range of ropes the distinctive point of the rope is a high break load for a small diameter rope. Jul 4, 2025 · Kevlar, trademarked name of poly-para-phenylene terephthalamide, a nylonlike polymer first produced by Du Pont in 1971. Fibers are 20 times stronger than steel for the same diameter. Dyneema® exhibits creep, and is important to understand how this affects a rope’s elongation characteristics. Novabraid Kevlar Braided Ropes are available in three varieties to meet the needs of industrial, recreational, and high performance applications. This buying guide helps you select the right thread by explaining Kevlar's uses, properties, sizes, specifications, and alternatives to Kevlar. Breaking strain is NOT the Safe Working Load. 12-Strand single braid. If very high loads are being applied for a long period of time, Standard UHMWPE fiber tends to creep. loss. 2mm Zline Slick is sort of the de facto The Thread Exchange features all Groz-Beckert needles and a vast selection of thread including nylon, polyester, Kevlar, Nomex, Robison-Anton, Mettler, Maxi-Lock, Excell, waxed thread, and artificial sinew. Learn about the properties, applications and forms of Kevlar®, a high-strength, high-modulus, aromatic polyamide fiber. The following series of tables sets out to compare the key physical properties of the most frequently used materials. 320°F / 160°C: Continuous Rating – Higher Temperature for Shorter Periods FlameShieldTM High Temperature, Heat Resistant High Strength & Cut Resistant 100% Kevlar rope. Jun 24, 2024 · Dyneema vs Spectra vs Kevlar: What’s the Difference? Dyneema, Spectra, and Kevlar are all high-performance fibers commonly used in various applications where strength and durability are crucial. The high tensile strength of DuPont™ Kevlar® resists ballistics, heat and punctures. Orders received by 3 PM EST normally ship the same day. Additionally, Kevlar® fibers won’t melt, drip or support combustion. Match the diameter of the line to the application. test specimen is measured with a profile projector (SASEM P500), and has an average value of 0. You can use the following guidelines as an aid… Sheave diameter: Ropes used around tight radii can be adversely affected by compression and flex fatigue. Shop strong and durable Kevlar Cord, braided from 100% U. Mar 10, 2025 · Kevlar is the ultimate ballistic material, known for its exceptional strength, high tenacity, and lightweight properties. Kevlar® 29 yarns are used in ballistic applications, ropes and cables, protective apparel such as cut-resistant gloves, in life protection uses such as helmets, vehicular armoring and plates, and as rubber reinforcement in tires and automotive hoses. In the 1960s, amid a petroleum shortage, chemist Stephanie Kwolek created Kevlar to replace steel in tires. 95 TWA2). Find the perfect rope for your needs with our comprehensive Rope Selection Guide. In this article, we will explore the science behind Kevlar’s exceptional strength and its significance in different fields. The high tenacity and thermally stable fibers are used for lightweight bulletproof body armor, and also due to weight-saving it can also replace heavier materials in airplanes Choose from our selection of Kevlar rope in a wide range of styles and sizes. Kevlar can be made into strong, tough, stiff, high-melting fibres, five times stronger per weight than steel; it is used in radial tires, heat- or flame-resistant fabrics, Jul 30, 2025 · Kevlar is an incredible material known for its unmatched toughness and strength. Chemical Resistance & Degradation* for properly stored rope Rope Abrasion Resistance & Heat Reaction With five times the strength of steel, DuPont™ Kevlar® fiber helps make protective apparel and accessories safer and more durable. S. The Thread Exchange features all Groz-Beckert needles and a vast selection of thread including nylon, polyester, Kevlar, Nomex, Robison-Anton, Mettler, Maxi-Lock, Excell, waxed thread, and artificial sinew. NOTE: Bungee Cord should ALWAYS be backed up by tubular nylon, webbing, or kevlar line! It can, does, and will break. While they share some similarities, there are differences in their chemical composition, manufacturing processes, and properties. The rope then is Aramid rope, also known as Kevlar rope, is a specialized type of marine rope made from aramid fiber, specifically Kevlar fibers. Polyester and Nylon Double Braid, 3 Strand Twisted or Polypropylene, Manila, this rope strength guide helps determine diameter, tensile and working load of the various ropes specific for your use. Find the best material for your needs. There are limits to the appropriate use of kevlar lines on a boat. These should be used as an indication ONLY. Here’s a breakdown of each fiber: Dyneema (also known as Ultra High Created Date10/26/2001 8:36:26 AM DENVER ROPE The Best Custom Boat Lines, Custom Colored Ropes, & Special Assemblies made to Your Specifications Rope Fiber Selection Guide (Typical Values) 1* Based on DuPont Kevlar® data 2* Resistance is relative to the length of exposure, percent of concentration and temperature. On average, Kevlar rope has a tensile strength that is about five times greater than that of nylon ropes of similar diameter. Standard working loads on sheets, halyards and control lines are usually calculated at 20% of a line’s Breaking Strength. Sheath Percentage[edit] Assigning a higher percentage of the rope's material to the sheath (rather than the core) may make the rope more resistant to abrasion at a slight cost to the ropes tensile strength. Proper choice, care and inspection of the rope are essential for reasonably safe use of the rope. Creep can often have a negative effect on a rope’s performance and strength, when ropes are subjected to high loads for extended periods. Discover the intrinsic properties of our rope materials. 7gpd Specific Gravity 1. Limits that apply to all lifting gear One of the most important pieces of information, and this applies to any piece of lifting gear that lifts loads, are the UHMWPE (also known as UHMPE or HMPE Dyneema®) is an extremely high strength fiber of ultra high molecular polyethylene. However, we have provided the tensile strength for each diameter and type of rope. (While it varies depending on the material and the type of knot, a conservative rule of thumb is about 50%. The extension over time graph (Fig. We would like to show you a description here but the site won’t allow us. The properties and performance characteristics of any rope are reliant on the materials from which they are made. Additional products in the Kevlar® family of fibers are available with different combinations of properties to meet your engineering design needs. MODULUS, STRENGTH AND ELONGATION Modulus, strength and elongation are all interconnected MATERIAL MODULUSTenacity (g/Denier) STRENGTHTenacity (g/Denier) ELONGATION While wire rope is a relatively simple piece of equipment, there are several terms and factors that you must be aware of before you, or any of your staff, operate this gear. Its unique molecular structure and tight fiber alignment give it incredible strength—five times stronger than steel by weight—making it perfect for bulletproof vests, helmets, and protective gear. Table II-1 lists the typical yarn, tensile and thermal properties of Kevlar® 29 and Kevlar® 49 yarns. To minimise these, it’s important to choose the correct sheave diameter Aramid (Kelvar) Breaking Strength (Grams per Denier) 21. 6 strand x 19 wire (6x19) - minimum breaking strength, safe loads and weight. 01/feet) May 6, 2020 · Dynamic climbing ropes are almost exclusively made out of nylon. It is designed to provide exceptional strength, modulus, and high-temperature resistance, making it well-suited for various marine applications. Designed for critical applications, these ropes offer superior performance where durability is paramount. May 17, 2023 · A simple explanation of the science behind Kevlar, the amazing super-strong bulletproof material made by DuPont. Comparing the strength and characteristics of aramid (Kevlar, Technora, Twaron, Vectran) rope strength. made Kevlar in a variety of breaking strengths, colors, and lengths. Type III 7-strand Kevlar parachute rope is super strong and heat resistant, meaning it will stand up to the weather, pully usage, wrenching, your toughest tie-downs, and more. Comparison charts of rope sizes, strengths, weight, degredation, abrasion, and thermal properties. Consult your cordage vendor for proper use. This Application Guide is intended to help you make a good decision on which synthetic winch line should be used on many popular off-road winches. Activity - Work - Utility-Industrial - SterlingRope. There's a reason why so many professionals trust their lives with aramid materials. Find out what makes them so strong, safe and durable. 5% Elastic Recovery 100% Moisture Absorbancy 4. The purpose of this book make rope is to help demystify rope making process, explain how and why we way we do and hopefully answer any questions you may have. Nylon Nylon is selected for dynamic ropes because it has high stretch resistance (ability to rebound to normal size after being elongated) and shock resistance (ability to maintain strength despite Kevlar – Density – Strength – Melting Point – Thermal Conductivity About Kevlar Kevlar has many applications, ranging from bicycle tires and racing sails to bulletproof vests, because of its high tensile strength-to-weight ratio; by this measure it is five times stronger than steel. Variations up to 25% can occur with poor splicing or short lengths. chpcen fvhcbfa cckgs lghbem rqamo iyjn gxtdqm gxepzl flyd kbtb