Three endless webbing slings in yellow, green, and purple with blue label patches

Endless Slings

Single Layer Endless Webbing Sling

A single layer endless polyester webbing sling with a 5:1 to 8:1 safety factor, designed for lifting and securing loads with low elongation and PU impregnated resistance to abrasion and moisture. Available in widths from 25mm to 90mm, with working load limits from 500KG to 3000KG, and standard colors including white, violet, green, and yellow. The sling is constructed in one continuous piece with no splices, reducing weak points and ensuring consistent strength across the full length.

Material: 100% Polyester / Nylon
Standard: ISO4878 EN1492-1 ASME B30.9 Characteristic: PU impregnated ,Low elongation
Catalogue Family: Endless Slings
Certificates: EN 10204 3.1 material test certificate on request

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Key Benefits

What Single Layer Endless Webbing Sling Gives You

Single layer construction eliminates splice points, reducing risk of failure at joints
PU impregnation increases resistance to abrasion, moisture, and UV degradation
Low elongation under load maintains precise positioning during lifting and transport
5:1 to 8:1 safety factor ensures reliable performance across varied duty cycles

Endless design distributes load evenly along the entire length, avoiding stress concentration
Available in multiple widths and colors for easy identification and load matching
No internal stitching or seams, reducing the chance of internal wear and fiber breakage

Application Scenarios

Where Single Layer Endless Webbing Sling Is Used

Lifting and securing heavy machinery components in industrial manufacturing and assembly lines
Transporting steel coils, pipes, and structural beams in ports and logistics hubs
Handling sensitive or high-value cargo where surface protection and low stretch are critical

Temporary rigging setups in construction and infrastructure projects requiring quick deployment
Securing loads on trailers and flatbeds where vibration and movement are constant
Use in environments with exposure to moisture, dust, or light chemical contact

Who It Is For

Buyers This Product Is Built For

Industrial manufacturers specifying lifting gear for assembly and material handling
Logistics and freight operators managing heavy cargo on road and rail transport
Construction site supervisors needing reliable, low-maintenance slings for on-site lifting

Ports and terminals handling steel, pipes, and machinery with consistent load profiles
Rigging contractors sourcing single-ply endless slings for temporary or repetitive use
Equipment integrators building lifting systems where low elongation is required

Problems It Solves

Problems This Product Removes

Splice points in traditional slings creating weak zones that fail under repeated stress
High elongation in standard webbing causing load drift and misalignment during lift
Lack of surface protection leading to fiber wear from sharp edges or abrasive surfaces

Inconsistent strength across a sling due to stitching or joining methods
Difficulty identifying sling capacity in the field due to poor labeling or color confusion
Need to source multiple sling types from different suppliers when a single endless solution exists

Technical Features

Single layer endless construction with no splices or seams
100% polyester or nylon webbing with PU impregnation for enhanced durability
Safety factor of 5:1, 6:1, 7:1, or 8:1 depending on application and load
Low elongation under load, maintaining load stability and positioning

Standard lengths and colors available on request, with custom lengths possible
Working load limit (WLL) and safety factor clearly marked on the sling
Compliant with ISO4878, EN1492-1, and ASME B30.9 standards for lifting equipment

Specifications

Single Layer Endless Webbing Sling Specifications

Values published in the Kailipu catalogue for this item. Anything not listed is available on request.

Material	100% Polyester or Nylon
Safety Factor	5:1, 6:1, 7:1, or 8:1
Construction	Single layer endless, no splices
Width Range	25mm to 90mm
Thickness	25mm to 90mm depending on capacity
Working Load Limit	500KG to 3000KG
Color Options	White, Violet, Green, Yellow
Standard Compliance	ISO4878, EN1492-1, ASME B30.9
Surface Treatment	PU impregnated for abrasion and moisture resistance

Materials

Materials And Finishes

High tenacity polyester or nylon fiber for strength and durability
PU (Polyurethane) impregnation applied to the webbing surface for abrasion and moisture resistance

No internal stitching or joining materials, maintaining structural integrity
Colorant integrated into the fiber during manufacturing for fade resistance

Manufacturing Process

How This Product Is Made

1Raw polyester or nylon fiber is woven into a continuous endless web

2PU impregnation applied under controlled pressure and temperature

3Lengths cut to order with precision to maintain uniformity

4Working load limit and safety factor marked using heat transfer or dye application

5Final inspection for surface defects, uniform thickness, and marking clarity

6Packing and labeling according to order requirements

Quality Control

Quality Control On Every Batch

Visual inspection of the entire length for surface defects, thickness variation, or color inconsistency
Proof load testing on production batches to verify WLL and safety factor
Dimensional tolerance check against published width and thickness values

Breaking strength validation to confirm the stated safety factor
Material Test Certificate to EN 10204 3.1 supplied on request
Third-party inspection accepted at the Qingdao warehouse before shipment

Customisation

Customisation Options

Custom working load limits and safety factors based on application
Custom lengths and color coding to match internal identification systems
Private label and OEM marking for brand integration

Custom packaging configurations for pallet or carton handling
Custom surface finish including PU impregnation level and color

Compare

How It Compares With The Alternatives

An honest read on where this pattern wins and where another one would serve you better.

Alternative	Honest Trade Off
Spliced webbing sling	The endless design removes splice points, reducing weak zones and improving reliability under repeated loading
Multi-ply webbing sling	Single layer offers lower weight and reduced bulk, but multi-ply provides higher capacity and greater resistance to abrasion
Wire rope sling	Lighter and more flexible than wire rope, with better surface protection for sensitive loads, but less suitable for high-temperature environments
Chain sling	More flexible and easier to handle than chain, with better load distribution, but less resistant to sharp edges and cutting forces

Use Guide

How To Use And Inspect Single Layer Endless Webbing Sling

Always verify the WLL and safety factor before use, and never exceed the rated capacity
Inspect the sling before each use for cuts, abrasions, or signs of wear on the PU coating
Avoid contact with sharp edges or rough surfaces that can damage the webbing
Do not twist or knot the sling during use; keep the load balanced and centered
Use appropriate lifting points and ensure the sling is not subjected to side loading
Retire the sling if the WLL marking is illegible, the webbing shows visible damage, or the PU coating is compromised