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Help CenterPolyester Flat Endless Sling 5 Ton Capacity 100mm Width 5:1 Safety Factor for Lifting
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As a professional manufacturer with over 25 years of experience in lifting and rigging products, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our high-quality Polyester Flat Endless Sling with a 5-ton capacity, 100mm width, and a 5:1 safety factor. This sling is engineered to deliver reliable and safe lifting performance across a wide range of industrial applications. Our commitment to quality and customer satisfaction is backed by an annual export value of US$5-10 million and a global market presence spanning North America, Europe, Asia, Africa, and Oceania.
The flat endless design eliminates the need for metal fittings, reducing the risk of scratching or damaging the load while providing a flexible, lightweight, and easy-to-handle solution. Whether you are lifting pipes, machinery, concrete blocks, or steel structures, our sling offers superior strength, durability, and longevity. The 5:1 safety factor ensures that the working load limit is conservatively rated, offering an extra margin of safety even under dynamic conditions.
Below we detail the key features, technical specifications, and benefits that make this sling a preferred choice for riggers, crane operators, and industrial users worldwide.
Key Features & Benefits
- High-Tenacity Polyester Material: Made from 100% virgin polyester fibers, the sling offers excellent resistance to abrasion, UV radiation, and most chemicals. It does not absorb moisture, preventing strength loss in wet conditions and avoiding mold growth.
- Endless Loop Design: The continuous loop design allows for multiple hitches (vertical, choke, basket) and provides even load distribution, maximizing the sling's versatility and lifting capacity.
- 5:1 Safety Factor: Each sling is tested to five times its rated capacity before leaving the factory, ensuring a high level of safety and reliability for your lifting operations.
- 100mm Width (4 inches): The wide flat profile reduces pressure on the load surface, minimizing the risk of damage to delicate or fragile items. It also provides better grip and stability during lifting.
- Flexible and Lightweight: Compared to chain or wire rope slings, polyester slings are much lighter and easier to handle, reducing operator fatigue and improving job site efficiency.
- Soft and Non-Marring: The soft fabric will not scratch, dent, or damage painted or polished surfaces – ideal for lifting finished goods, pipes, and sensitive equipment.
- Color-Coded Tags: Each sling comes with a permanently attached label indicating capacity, width, length, and safety factor for easy identification and compliance.
- Customizable Lengths: Available in standard lengths (1m, 2m, 3m, etc.) or custom lengths according to your specific requirements.
Technical Specifications
| Property | Value |
| Material | 100% High-Tenacity Polyester (PES) |
| Rated Capacity (Vertical) | 5,000 kg (5 tons) |
| Width | 100 mm (4 inches) |
| Safety Factor | 5:1 |
| Type | Flat Endless (Continuous Loop) |
| Standard Length | 1 m, 2 m, 3 m, 4 m, 5 m (customizable) |
| Operating Temperature | -40°C to +100°C (continuous use) |
| UV Resistance | Excellent (polyester inherently UV stable) |
| Identification | Color-coded tag with WLL, width, length, and lot number |
| Inspection | 100% visual and load tested before shipment |
Why Choose Boli Hardware's Polyester Flat Endless Sling?
Our slings are manufactured in our ISO-compliant facility in Hengshui, Hebei, China, using advanced weaving and heat-setting techniques. The flat endless construction ensures that the load is evenly supported, reducing stress points and extending the service life of the sling. Each sling undergoes rigorous quality control checks, including tensile strength tests and elongation measurements, to guarantee consistent performance.
Customer Benefits:
- Increased safety margin with 5:1 safety factor – lower risk of accidental overload.
- Reduced damage to loads – soft polyester protects delicate surfaces.
- Lightweight and easy to store – takes up less space than wire rope or chain slings.
- Versatile hitch configurations – vertical, choker, basket, and endless loops allow adaptation to different lifting scenarios.
- Cost-effective solution – longer service life and minimal maintenance compared to metal slings.
- Compliance with international lifting standards – our slings meet the requirements of major markets including North America, Europe, and Australia.
Whether you are in construction, shipping, manufacturing, or oil & gas, our polyester flat endless sling is an essential tool for safe and efficient lifting. We offer competitive pricing, fast delivery from our ports (Tianjin, Qingdao, Shanghai, Foshan), and flexible customization options to meet your exact specifications.
Frequently Asked Questions
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Q: What is the working load limit (WLL) of this sling in choke or basket configuration?
A: The 5-ton capacity is the rated vertical lift. In choke hitch, the capacity is reduced to 80% (4 tons), and in basket hitch (with angles 0-60°), it can double to 10 tons. Always refer to the included capacity chart for exact values. -
Q: Can I use this sling for lifting hot objects?
A: Polyester slings are suitable for continuous use up to +100°C. For intermittent use, temperatures up to +120°C are acceptable. For higher temperatures, please consult our sales team for alternative materials. -
Q: How do I know the sling is authentic and safe?
A: Each sling comes with a permanently attached label showing the capacity, width, safety factor, and a unique batch number for traceability. We also provide a certificate of conformity upon request. -
Q: What is the minimum order quantity (MOQ)?
A: For standard lengths, the MOQ is 50 pieces. For custom lengths, please contact us for a quote. We are flexible for small trial orders as well. -
Q: How long does the sling last under normal use?
A: With proper handling and storage, a polyester sling can last several years. However, we recommend regular visual inspections before each use and replacement if any cuts, abrasions, or UV degradation are visible. -
Q: Can I order non-standard widths or capacities?
A: Yes, we can customize the width (e.g., 50mm, 75mm, 150mm) and capacity (e.g., 1 ton, 3 ton, 8 ton) to your requirements. Lead time and pricing depend on the specifications. -
Q: Do you offer sample testing before bulk order?
A: Absolutely. We can provide samples (with a sample fee refundable for bulk orders) for you to test the quality and performance. Shipping cost is at your side. -
Q: What is the packaging method?
A: Each sling is individually packed in a polybag with a label, then bundled in cartons or woven bags. Custom packaging (e.g., with your logo) is available upon request.
Trust Anping County Boli Hardware Wiremesh Products Factory – Your Reliable Lifting Partner Since 1998
With an annual export value of US$5-10 million and a strong presence in over 15 global markets, we have built a reputation for quality, reliability, and customer service. Our factory is equipped with modern weaving machines, heat-setting ovens, and testing equipment to ensure every sling meets the highest standards. We ship from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective logistics to destinations worldwide.
Choose our Polyester Flat Endless Sling for your next lifting project and experience the difference that over 25 years of manufacturing expertise can make. Contact us today for a quote, technical consultation, or to discuss your custom requirements. We look forward to providing you with safe, durable, and efficient lifting solutions.
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