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Help CenterFlat Eye-and-Type Sling 6:1 Safety Factor 4T WLL With UV Resistant Polyester Webbing
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For over two decades, Anping County Boli Hardware Wiremesh Products Factory (established 1998) has been a trusted manufacturer of high-quality lifting and rigging solutions. Our Flat Eye-and-Type Sling with 6:1 Safety Factor and 4T WLL is meticulously crafted from UV-resistant polyester webbing, designed to provide reliable performance in demanding environments. With an annual export value exceeding US$5 million and shipments to major ports like Tianjin, Qingdao, Shanghai, and Foshan, we serve global markets including North America, Europe, Southeast Asia, and beyond. This sling combines durability, safety, and flexibility, making it an essential tool for material handling across industries.
Our Flat Eye-and-Type Sling is built for heavy-duty lifting tasks where safety and longevity are paramount. The 6:1 safety factor ensures a generous margin of safety beyond the rated working load limit, while the 4-ton capacity handles moderate to heavy loads with ease. The polyester webbing is treated with UV stabilizers to resist degradation from sunlight, extending service life in outdoor or sun-exposed conditions. The flat eye-and-type design provides stable lifting with minimal load distortion, and the webbing is soft on loads, reducing the risk of surface damage.
Key Features & Technical Specifications
- High-Strength Polyester Webbing – Made from 100% virgin polyester with high tensile strength and low elongation, offering excellent load stability.
- 6:1 Safety Factor – Designed to withstand six times the rated working load limit, exceeding industry standards for safety.
- 4 Ton Working Load Limit (WLL) – Suitable for lifting medium-weight machinery, steel beams, concrete blocks, and other industrial loads.
- UV Resistant Treatment – Special UV inhibitors protect the webbing from sunlight, preventing strength loss and color fading over time.
- Flat Eye-and-Type Design – Both ends feature flat loop eyes for easy attachment to hooks or shackles, providing balanced lifting without twisting.
- Soft & Non-Marking – The polyester material is gentle on lifted objects, avoiding scratches or dents on polished surfaces.
Technical Specifications Table
| Parameter | Value |
| Material | 100% High-Tenacity Polyester (PES) |
| Safety Factor | 6:1 |
| Working Load Limit (WLL) | 4,000 kg (4 tons) |
| Breaking Strength | 24,000 kg (24 tons) |
| UV Resistance | Yes – UV stabilized for outdoor use |
| Standard Lengths | 1m, 2m, 3m, 4m, 5m (customizable) |
| Width Options | 50mm / 75mm / 100mm (other widths available) |
| End Type | Flat eye loops on both ends (eye-and-type) |
| Operating Temperature | -40°C to +100°C |
Advantages & Customer Benefits
- Enhanced Safety – The 6:1 safety factor provides a robust safety margin, reducing the risk of failure during lifting operations. Each sling is individually tested to ensure compliance with rated capacity.
- Long Service Life – UV-resistant polyester webbing withstands prolonged sun exposure, making it ideal for construction sites, warehouses, and outdoor use. The material resists rot, mildew, and chemicals.
- Cost-Effective – Compared to wire rope or chain slings, polyester webbing slings are lighter, easier to handle, and less expensive to replace. They also reduce damage to loads, minimizing product loss.
- Versatile Application – Suitable for lifting pipes, steel plates, machinery, concrete components, and general cargo. Flat eye ends allow quick connection to hooks, shackles, or cranes.
- Comfortable Handling – The flat webbing design distributes load evenly, reducing stress on the sling itself. Operators appreciate the soft, flexible texture that is easy to coil and store.
At Anping County Boli Hardware Wiremesh Products Factory, we pride ourselves on delivering consistent quality to over 15 global market regions. Since 1998, our factory has produced millions of slings for demanding applications, ensuring rigorous quality control at every step. Our slings are manufactured with high-grade polyester yarn and undergo load testing to verify the 6:1 safety factor. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) with annual export values between US$5-10 million, reflecting strong international trust.
We invite you to experience the reliability of our Flat Eye-and-Type Sling 6:1 Safety Factor 4T WLL. Whether you need standard lengths or custom sizes, our team is ready to provide competitive pricing and fast delivery. Contact us today for a quote or to discuss your specific lifting requirements. We are committed to your safety and satisfaction.
Frequently Asked Questions (FAQ)
- What does “6:1 safety factor” mean? It means the sling is designed to safely handle loads up to 1/6 of its breaking strength. For a 4T WLL sling, the breaking strength is 24 tons, providing a large safety margin.
- Is this sling suitable for outdoor use? Yes, the polyester webbing is UV-resistant, making it durable under direct sunlight. However, we recommend storing slings indoors when not in use to prolong life.
- Can I get longer or shorter lengths? Absolutely. We offer custom lengths from 0.5m to 10m and beyond. Please specify your required length when ordering.
- What colors are available? Standard colors are yellow and blue, but we can produce custom colors upon request with a minimum order quantity.
- How do I attach the sling to a hook? The flat eye loops at both ends are designed to fit standard lifting hooks or shackles. Simply loop the eye over the hook. For choke lifts, pass one eye through the other to form a choke.
- Are these slings tested before shipment? Yes, each sling is proof-loaded to 2 times the WLL (8 tons) during production, and breaking tests are performed on samples. We provide test certificates upon request.
- Can this sling lift sharp-edged loads? Polyester slings are not recommended for sharp edges without edge protection. Use corner protectors or sleeves to prevent cutting the webbing.
- What certifications do you hold? Our factory has internal quality management systems. Specific certifications (e.g., CE, ISO) can be discussed based on your market requirements – please inquire for details.
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