Polyester webbing sling specification pdf. Each sling is tested and .

Polyester webbing sling specification pdf. Polyester web sling material with good wear resistant Choose gear buckle, convenient using, compact and powerful binding Double J-hook type on both end suitable for mostloading hook and edges Nylon, Polyester Web or Polyester Round Flexibility, weight, strength, and non-marring properties make synthetic slings the most sought after slings for contractors and riggers alike! Because of these inherent features, extreme caution as to selection, care and general use must be exercised. 9 Standard Web slings are a type of synthetic lifting sling that are typically made from either nylon or polyester webbing material. A synthetic web sling is fabricated by sewing woven synthetic webbing of nylon or polyester type yarns, for the purpose of hoisting, lifting, and general material handling in basic sling types as illustrated in 1. Al Manar Eastern Factory Manufactures a wide verity of Powertex -Flat synthetic webbing slings according to BSEN 1492-1, ASME B 30. Wear or damage to sling webbing face yarns cause an immediate strength loss. slings will DROP from a 5:1 FACTOR value of 4:1 ! value to at a TECHNICAL SPECIFICATION ë According to machine directive 89/392/EC ë Double ply lifting sling made from high quality polyester fibres ë Colourcoded according to DIN-EN 1492-1 ë WLL capacity stripes : each stripe is equal to 1 tonne capacity. Only standard slings with full ton WLL are shown in the chart, but PWE slings can be delivered with any WLL and length on request. synthetic sling sling made made from aa continuous The round from sling body can also be compared to sling continuous loop loop of of polyester polyester yarns yarns webbing with the covered with covered with aa double double wall tubular jacket face wall tubular APPLICATIONS Duplex Webbing Slings and Polyester Round Slings are used for lifting loads or objects that may have fragile or delicate surfaces, which could be harmed if lifted with chains or wire ropes. CERTEX Companies has over 30 years of experience in manufacturing high-quality synthetic web slings made from nylon or polyester, offering strength and load protection without damaging surfaces. Perfect for lifting objects that have fragile surfaces, these sling avoid damaging the load as opposed to using products of a metal structure i. 4 for definitions of types of ends of slings). Lift-All sling webbing uses a combination of internal, protected yarns and sur Damage to the surface of Mil-Spec webbing causes greater strength reduction of the webbing. abnormal operating conditions: environmental conditions that are unfavorable, harmful, or detrimental to or for the operation of a sling such as excessively high or low ambient temperatures, exposure to weather, corrosive fumes, dust-laden or moisture-laden atmospheres, and hazardous locations. We supply chain hoists, ratchet straps, engine lifters, etc. All of our polyester webbing sling products conform to EN standards and are delivered complete with certificates of conformity. 0m Ply :2 WLL : 3000 Safety Factor : 6 :1 Metode : Single Sling Safety ( Chocked Lifting ) dengan angle Factor 0. Duplex Webbing Slings and Polyester Round Slings are used for lifting loads of objects that may have fragile or delicate surfaces, which could be harmed if lifted with chains or wire ropes. It also lists the specifications and lifting capacities for polyester slings in various widths, layers, and colors according to EN 1492-1 standards for vertical lifting ranging from 1 to 24 SYNTHETIC POLYESTER WEBBING SLINGS Manufactured to exceed all ASME B30. 3 “basic sling types”. Every webbing material is made with a specified webbing and hardware, even the machine operator who made nominal strength, measured in pounds per inch of width, the sling. Leading manufacturers in Singapore specialized in Polyester Webbing Slings, Round Slings, Ratchet Lashing Systems, Custom Sling, Chains, Chain Blocks Webbing slings also commonly referred to as lifting strops are designed for use in a wide range of lifting applications. Featuring double-ply construction and equipped with eyes at both ends, our web sling guarantees durability and reliability 3. The document provides details on the types of polyester slings including simplex, duplex, and triplex/quadraplex slings. Polyester Round Slings Polyester Webbing Slings Cargo Lashing Series (RATCHET) Parallel Lane Round Slings Multileg Slings Cargo Lashings / Ratchet Lashings Series Steel Wire Ropes Slings Cargo Lashing Series (BUCKLE/WINCH/HOOK) Cargo Lashing Series (HOOK) Cargo Lashing Series (BUCKLE) QUICK LINKS Load Chain & Lashing Chain Wire Rope Endless Webbing Slings Polyester slings are also known as 'webbing slings' or 'rigging slings' because of their synthetic, web-like composition. Duplex Webbing Slings are lightweight and are less likely to scratch or damage the load being lifted. A polyester webbing round sling has many other name that people in the lifting industry refer to them by, for example as a soft sling or endless lifting sling (because there is no end) as a lifting round strap or webbing or woven sling and many more! Some time wrongly referred to as nylon lifting slings. Copyright 2024 I&I Sling Inc. Stretching can be reduced by using polyester slings, slings with larger Work Load Limits or by selecting a low elongation, High Performance Fiber, Twin-Path® Extra Sling. This document provides specifications for various types of polyester webbing slings, including their technical specifications, safety factors, working load limits for single and double leg configurations at different angles, product codes, and safety cautions for use. e. Webbing slings are the most appropriate equipment to lift the precision loads thanks to its smooth surface. It outlines various options for sewing methods, color coding for weight limits, and additional features such as protective Webbing Slings In Qatar. They are available in different lengths and lifting capacities ranging from 1 - 64 Tons. Moglix offers superior quality and genuine Slings from a renowned brand Ferreterro. Even the smallest details regarding material requirements, design criteria, etc. EN 1492 standard is used during manufacturing, inspec-tion and Three different synthetic slings are typically used for attachment hitches when rigging a load. Polyester Webbing stretch: Approx. It outlines various options for sewing methods, color coding for weight limits, and additional features such as protective The document provides an introduction to webbing slings, specifically double ply polyester slings with reinforced lifting eyes, detailing their technical specifications, characteristics, and compliance with safety norms. Lift-All web slings meet or exceed OSHA, ASME B30. Duplex Slings are manufactured from double layers of webbing. It lists the safe working load limits or weight load limits for each type of sling at various widths and lifting modes between 100-200%. This document provides information on webbing slings, including their material composition, color coding, and recommended safe use and maintenance. 184 regulations. Polyester webbing sling is low in cost, more comfortable and quite stronger. chainslings and wire rope slings. Bushtorm is the leading supplier of |Webbing Slings. Technical specifications: Webbing slings are used when a large contact surface is needed and to distribute the load pressure on a large contact surface. Product Overview: 10 Ton flat webbing sling, or 10000kg flat sling, is one of the most common flat slings, with reinforce folded eyes at each end. Swadesh Enterprise manufactures polyester webbing slings for lifting heavy loads. The sling is protected by an outer sleeve which is non-load bearing. 3. They resist mildew and bacterial growth and have excellent elongation properties in comparison to their Information for safe use and maintenance of flat polyester webbing slings. Buy these products at best prices and get them delivered at your doorstep across India. Synthetic web slings are some of the most common pieces of rigging equipment that you’ll find at any job site because they’re strong enough to support heavy loads, yet are extremely versatile and can be used efectively for a variety of Every Austlift flat webbing sling is fabricated using 100% high tenacity polyester yarn. It also includes guidelines for proper lifting Shop the full Lift-All inventory through our general, lifting devices & towing products catalogs available through the website. capcity from 1ton to 10ton 6. FOREWORD This Recommended Standard Specification applies to class 5 and class 7 synthetic webbing used in the manufacturing of synthetic web slings. Replacement kit for spool and web cover available. The PWE slings are color coded for quick and easy identification of the Working Load Limit. Multi - Leg Sling: It is a round lifting device consisting of two, three or four identical rounded slings connected to the masterlink. Durable, heavy-duty tags ideally suited to jobsite or warehouse use. The document provides detailed specifications for Falt Polyester Webbing Slings, including material properties, safety factors, and working temperature ranges. 8 Daya The webbing sling 2 ply offers exceptional durability and flexibility, making it ideal for a range of industrial lifting tasks. 9. Contaminated slings should be taken General Information: Operating Temperature Range: Polyester and polyamide: -40 °C to 100 °C, Polypropylene: -40 °C to 80 °C. It is designed to safely lift and move heavy loads with a load 10 ton or 10000kg. S1 polyester flat webbing slings with reinforced eyes This professional webbing sling is extremely suitable for intensive industrial use. Prolonged exposure to UV / sunlight will degrade Polyester webbing. Textile Lifting Slings Yale webbing slings and round slings are produced from high-tensile quality polyester (PES) in accordance with EN 1492, parts 1 and 2. single ply or double ply; 3. In addition, custom-made and optional sling protection are available to suite your needs. Each sling is supplied with an individual test certificate. Available in various sizes, it ensures safety and efficiency across different applications. according to EN1492-1 8. with reinforced lifting eyes 4. SECURE POLYESTER WEBBING SLINGS SECURE LIFT@ is heavy duty non metallic sling made of polyester having Eye-loops at the ends. Polyester has good resistance to many acids, but is damaged by alkalis. STP+ slings have a capacity of 1MT to 300MT SWL Siam Martec Sales offers a wide range of webbing slings, round slings and wire rope in certified quality for various lifting needs. Packing: PE shrink wrapped, carton and pallet Polyester Webbing slings are Materials The webbing is woven entirely from industrial yarns from the following material: Polyester (PES), high tenacity multifilament. ace yarns. 5 Flat synthetic-webbing sling—a sling made of flat woven synthetic-fibre webbing, which may incorporate end fittings complying with AS 3585 or AS 3776, for the lifting and handling of loads (see also Clause 3. Beaver Round Slings are manufactured from a hank of polyester yarn of one or more strands wound together continuously to form an endless sling. Additional to becket eyes (soft), reverse, flat & leather protected eyes are available. Certificate: GS. Adhere to manufacturers warnings Polyester Eye & Eye Flat Web Sling Technical Specs. These are specially designed to bear heavy loads and lift them safely. However, webbing seems it must be noted that, although Polyester slings even polyester to undergo a affected, significant leading strength loss Consequently, the DESIGN a DECREASE in strength. A short description of the physical characteristics of each of these slings is provided below: FLAT WEB SLINGS ¾ Flat web slings are manufactured using either polyesteror nylonmaterial. Book A Call with us! The normal Polyester Sling is manufactured by 100% Polyester Yarn only, which is nonconductive against flowing of any type of electricity. They are: flat web slings, round slings, or Twin-Path®slings. WEBBING SLING & SHACKLE Product Name : Polyester Webbing Sling Code : SY-PWS4000 Specification : 4000Kg x 4. 9 and OSHA 1910. All sling webbing contained in this catalog is recommended for general purpose lifting. It recommends construction, identification and marking of synthetic web tie downs. The Web Sling & Tie Down Association has also formulated a Recommended Standard Specification for Synthetic Web Slings WSTDA- WS-1 to assist users in specifying the proper web sling for their particular needs; to serve as a guide to industry in the construction and use of web slings; and to serve as a guide to governmental and other regulatory bodies responsible for the proper use and The LiftKing 10000kg Polyester Webbing Sling with Soft Eyes is manufactured from 100% high strength polyester material. The document provides detailed information on different sling types, their specifications, and safety warnings for use and inspection to prevent injuries. Polyester webbing starts to degrade at temperatures above 194°F. Double Ply Flat Polyester Webbing Sling with Lifting Eyes 1. K-Spec fiber has stretch equivalent to steel and ideal for applications where low-elasticity is important. 9 and WSTDA standards and regulations All sling webbing contained in this catalog is recommended for general purpose lifting. Guidelines are provided on sling selection based on the load to be lifted as well as inspection procedures and The specifications contained in this Recommended Standard Specification for Synthetic Webbing for Slings were formulated under the auspices of the Web Sling & Tie Down Association, Inc. Multi leg slings can be produced to order. The slings are manufactured from polyester fibers and comply with European and Australian standards, with safety factors LiftKing Polyester Webbing Sling - DWS eyes available to suit all capacities and lengths. Nylon and polyester web slings are unafected by oil and grease and ofer good chemical resistance. 6 to 31 tons for wire rope. WEBBING SLING WEBBING SLING POLY-TEX® and LIFT-TEX® Webbing slings are manufactured from 100% polyester. While preparing this standard considerable assistance has been derived from BS 3481: Part 2:1983, ‘Flatlifting slings: Part 2: Specification for flat woven webbing slings made of man-made fibre for general service’. All of the sling webbing contained in this catalog is recommended for general purpose lifting. It lists information such as the material, working load limit, working length, serial number, date of manufacturing, safety factor, minimum breaking strength, standards and specifications complied with, and certification that the slings have been tested and meet requirements. LiftinGear webbing slings can be used in the following lifting hitches - straight, basket & choke. 7% at full capacity. 1 The material from which slings are manufactured has selective resistance to chemicals. 1. Polyester (PES) is resistant to most mineral acids but is damaged by alkalis. Custom tagging available - call for details. For flat woven slings made to BS EN 1492-1:2000 + A1: 2008 *Polyester And Polyamide -40oC to 100o Polypropylene -40oC to 80oC Ranges vary in a chemical environment, in which case the advice of the manufacturer or supplier should be sought. This Recommended Standard Specification applies to web slings made of nylon or polyester fibers used for applications which may include lifting, suspending, transporting, lowering Hawklift presents our high-performance Polyester Web Sling, meticulously crafted from 100% High Tenacity Polyester for unparalleled strength. 2 for definitions of types of construction of slings and Clause 3. The rated capacity for a basket hitch is twice that for a vertical hitch. The sling cradles the load while both ends are at-tached overhead. 9 standards. We manufacture Webbing Slings upto115 tons capacity as per EN 1492 :1 2000 standards and ASME B30. abrasion: the mechanical wearing of a surface Crosby Sling Saver hardware meets the requirements for minimum stock diameter or thickness, and effective contact width shown in the Recommended Standards Specification for Synthetic Polyester Round 6 Slings by the Web Sling & Tie Down Association (WSTDA-RS1). ë MC = Multicode ë Temperature range of of -40 ÌC to +100 ÌC ë Safety factor 7:1 A polyester webbing round sling has many other name that people in the lifting industry refer to them by, for example as a soft sling or endless lifting sling (because there is no end) as a lifting round strap or webbing or woven sling and many more! Sometimes these slings are wrongly referred to as nylon lifting slings, but polyester slings are far more popular as the industry standard. Round Slings are manufactured from a hank of polyester yarn of one or more strands wound together continuously to form an endless sling. Our 10T webbing slings are made of high tenacity polyester fibers, woven into a flat webbing pattern and stitched into 2 layers or 4 layers in structure. This document appears to be a certificate of conformance for several 2-ply eye-to-eye polyester webbing slings. It has excellent wear-resistance, anti-slip properties, and high-temperature resistance. Manufacturer of Webbing Slings, which are strong and flexible lifting tools made of woven webbing material. These slings are designed to ensure safe and efficient material handling and lifting of heavy loads across various industries. This Recommended Standard Specification applies to synthetic web tie downs made of nylon or polyester fibers used for securing cargo. Observe all pertinent instruc-tion provided by OSHA and ASME. Therefore, we call them polyester double-layer webbing slings or flat webbing slings with eyes. WEBBING SLING LOAD CHART Single, Double, Three & Four Ply with Soft Eye End Note: 1. Use of webbing slings in adverse conditions or hazardous applications 1. Mil-Spec webbing does not have red core yarn warning system. CE. 0m Ply :2 WLL : 4000 Safety Factor : 6 :1 Code : SY-PWS4000 Specification : 3000Kg x 5. Requests for quality solutions were coming forth daily As per ASME B30. 9 and are tagged with WLL for vertical, basket, and choker configurations at a safety factor of 5. Sling A ROUND a is an an endless endless SLING? wall synthetic tubular jacket. Durable and specially woven, 100% polyester with standard folded eyes that incorporates eye wear padding to provide maximum protection around the eyes. Sling webbing has surface yarns connected from side to side, which not only protect the core yarns, but position surface and tensile yarns to work together to support the load. A set of multi leg slings includes Master link, Auxiliary links and different end fittings like Eye hooks, Swivel hooks, D-Shackles or Bow- Shackles, Rings as required. Beaver Endless Flat Slings are manufactured from woven synthetic-fi bre webbing and sewn together to form an endless sling. But we have manufactured special coated Polyester AntiStatic Sling which is having a conductivity property of any type of electricity. How many types of webbing slings do we have? Webbing Slings are available in single, double, and multi-layer designs, each offering different levels of strength and Information Which Should Be Exchanged Between the User & the Designer or Supplier As flat woven webbing slings are frequently used for multi-purpose lifting applications, precise details of the load to be lifted and mode of use are not always available. RIGGING HANDBOOK Twin-Path Slings with Covermax ® Sling Cover and K-Spec ® Core Yarn Polyester Roundsling Nylon Web Sling Multileg Polyester slings are made of using either Flat Webbing Slings Straps or Endless type round slings as per specific requirements depending upon uses and safe working loads. Feb 6, 2023 · Title of Legally Binding Document: Textiles-Flat Woven Webbing Slings Made from Blend of Polyester Multifilament and High Strength Mixed Polyolefin Tapes –– Specification Number of Amendments: 0 Status: Active Additional Info: LEGALLY BINDING DOCUMENT Step Out From the Old to the New --Jawaharlal Nehru to keep out dirt, moisture and reduce abrasion. length available:1meter to 12 meter 7. pdf), Text File (. 3 Special Lifting Drum and Cylinder Lifters One Way Slings Pipe Laying Lifting Bags and Kits Nets Multi-leg Slings Sep 30, 2024 · Introduction IS 15041:2001 is an Indian Standard that is appropriately harsh in its specifications for man-made fiber webbing slings. Introducing TaurusTM Lifting Slings from Samson. Slings 3” and wider are fabricated with tapered eyes. , had been so specific that the sling was not strong only on paper but effective for safe and reliable lifting and securing. This International Standard deals with the technical requirements to minimize the hazards listed in Clause 4 which can arise during the use of fibre rope slings when carried out in accordance with the instructions and specification given by the manufacturer, its authorized representative or qualified and/or competent person. FOREWORD This Recommended Standard Specification applies to web slings made of nylon or polyester fibers used for applications which may include lifting, suspending, transporting, lowering andotherloadhandlingunderknownconditions. Itrecommendsconstruction,identification and marking of web slings. Polyester differs from nylon because its stretch is approximately 3%, and it is safe for use where bleaching agents or acids are present. This document provides specifications for flat polyester webbing slings in single, double, three, and four ply configurations. The highly flexible and versatile material exerts evenly distributed pressure on pressure-sensitive and tension-sensitive loads; it is not subject to material ageing or brittleness and is heat-resistant up to Every Austlift flat webbing sling is fabricated using 100% high tenacity polyester yarn. txt) or read online for free. . HIGH TENACITY POLYESTER FIBRE 100 % MERTRA is one of the leading manufacturers of webbing slings, round slings and cargo-lashings, for use in industry as well as for civil engineering, transportation and shipping. Moreover wear sleeves can be fitted as per customer requirement. Designed to meet and exceed global standards, this webbing sling 2 ply provides reliable performance with superior resistance to chemicals and abrasion. The Web Sling & Tie Down Association has also formulated a Recommended Standard Specification for Synthetic Polyester Roundslings WSTDA-RS-1 as a guide for users, industry and government to ensure the proper use, maintenance and inspection of synthetic polyester roundslings. Conditions and circumstances where extra attention must be taken into consideration when planning to use flat polyester webbing slings. 9-5 and WSTDA-WS1 with a Safety Factor of 5:1 to 8:1. All dimensions in inches unless otherwise noted. The POWERTEX Webbing sling with eyes PWE are made from high strength polyester yarn having folded and reinforced eyes as standard. Available working load limits are 1 to 10 tons for polyester slings and 0. This standard recommends construction, marking, identification, testing, and inspection of class 5 and class 7 synthetic webbing. Wear or damage to sling webbing face yarns ϭ͘ tĞď ƚĞŶƐŝůĞ ƐƚƌĞŶŐƚŚ͗ This factor is the foundation for the record for us to know the precise sources and specification of calculation. With a robust 5-ton capacity and a length of 5 meters, this industrial safety essential ensures secure lifting of heavy machinery. Military web-bing, sometimes designated as "Mil-Spec", has not been designed for, nor do we recommend it, for general lifting applications. It lists working load limits and specifications for various types of slings made of polyester webbing with a safety factor of 7:1. 8 Daya Angkat maksimum = WLL X Angle factor Daya Angkat maksimum = 4 Ton X 0. Each sling is tested and Polyester Slings Webbing & Roundslings Webbing Slings Manufactured from high tenacity polyester material Available in various forms Duplex, Simplex & Endless Produced with a standard reinforced becket eye but other fi ttings can be sewn in during manufacture Working load limits available from tonne to 100 tonnes 2, 3 & 4 leg slings also available. As with the choker hitch, more than one sling rigged in a basket hitch (or some other means) may be necessary to help ensure load control. Color coding indicates the load capacity, with wider slings and more plies capable of higher loads. 100% high tenacity polyester; 2. All slings can be provided with protective polyester sleeve of any length. Webbing sling belt, made in Malaysia and offer variety range of length and working loads. safety factor available: 4:1 5:1, 6:1, 7:1 5. Toho-Rongkee is a professional polyester webbing sling, with 4:1, 5:1, 6:1 & 7:1 safety factor manufacturer and supplier in China, offering you the OEM service and wholesale service. Taurus Lifting Slings utilize a strength-optimized HMPE core fabricated into a multi-loop sling, protected by non-weight bearing braided HMPE chafe eyes and a high-vis braided polyester chafe 02. Fabricated with either Twisted eyes (TE) or Flat eyes (EE). All sling webbing contained in this section is recommended for general-purpose lifting. 6 Class 5 nylon and polyester sling webbing, treated or untreated, shall have a minimum breaking strength of 6800 pounds per inch of width (121. These are extremely tough, yet lightweight, and TRIANGLE / TRIANGLE AND TRIANGLE / CHOKER WEB SLING HARDWARE SPECIFICATIONS TRIANGLES 2-PLY DIMENSIONS & DATA C The Eye Type Webbing Sling W01-10 is designed for heavy-duty lifting applications with a 10000-kg rated load capacity. Our Webbing slings are designed to fulfil your lifting job without getting damaged. Treated and untreated nylon and polyester webbing, used to fabricate synthetic slings, per class 5 and class 7 rated capacity charts, may contain red yarn woven into the core of the webbing to serve only as one of many aids in determining whether and Web Slings Why Lift-All ® Web Slings? Lift-All web slings meet or exceed OSHA, ASME B30. Webbing, a seamless double Woven polyester sleeve with an excellent abrasion resistance. It outlines the selection criteria based on material, capacity, and usage conditions, including temperature limits and chemical exposure. About What is the webbing sling? A webbing sling is a flexible, sturdy lifting device typically made from high-strength synthetic fibers such as polyester, nylon, or polypropylene to form a flat, flexible ribbon-like structure. Flat Webbing Lifting Slings are made from high tenacity polyester webbing, colourcoded for ease of identification for lifting They are available in four basic types: Simplex, Duplex Triplex and Endless. These general-purpose lifting slings conform to ASME B30. Customers could choice custom length based on special requirements. The high-quality polyester webbing material allows for these slings to be used time and time again, giving you outstanding value for money. 9 and WSTDA standards and regulations. In these circumstances, only a general specification can be given but should, as far as possible, include the following information: 2150 - Polyester Webbing Slings Webbing slings are available from 25mm to 300mm width & 500kg to 24,000kg capacity, although higher capacity slings can be made as per requirement. Endless Flat Slings are manufactured from woven synthetic-fibre webbing and sewn together to form an endless sling. FLAT POLYESTER WEBBING SLING - Free download as PDF File (. Welcome to buy the newest and quality tools made in China at a discount from our factory, and also welcome to get the free sample from us. Solutions of acids or alkalis which are harmless can become sufficiently concentrated by evaporation to cause damage. 1 Scope This European Standard specifies the requirements related to safety, including methods of rating and testing single-, two-, three-, four-leg and endless sewn flat woven webbing slings, with or without fittings, made of polyamide, polyester and polypropylene man-made fibre webbing in the width range of 25 mm to 450 mm inclusive. POLY-TEX® having a safety factor of 6:1 and LIFT-TEX® having a safety factor of 7:1. Additionally, it includes a color This International Standard deals with the technical requirements to minimize the hazards listed in Clause 4 which can arise during the use of fibre rope slings when carried out in accordance with the instructions and specification given by the manufacturer, its authorized representative or qualified and/or competent person. 2. Easily browse through our assortment and explore more about price, specifications, availability, and deals online for Ferreterro Slings. Customers also viewed these products Product description Hawklift presents our high-performance Polyester Web Sling, meticulously crafted from 100% High Tenacity Polyester for unparalleled strength. STP+ - Slingset ® - Twin Path ® Plus (K-Spec fiber Roundsling with DOUBLE COVER) Features Patented K-Spec fiber used instead of Polyester for core yarn K-Spec fiber is only 20% the weight of polyester and only 5 % the weight of steel. Flat webbing slings, or webbing slings, are usually made of polyester, and woven into a double-layer structure with reinforced eye loops at both ends . The eye design allows for easier connection and can quickly slip over lifting devices. 43 kilograms per millimeter of width). wjssmrw sofaq jqtpsye pzzrlr rnvj kvpxgraa lknpea asvkpe wmrvp lpu