OPTIMA™ 5
HMPE Rope Endless Grommet SlingProduct: OPTIMA™ 5
Structure: 12-Strand
(Core/Cover): HMPE
Standard: ASME B30.9-2021
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Crafted from premium HMPE-fibers, the OPTIMA™ 5 Endless Grommet Sling is the strongest synthetic fiber rope produced by ROPERS. Weighing over 80% less than equivalent steel wire slings, it offers enhanced flexibility, convenience, and safety. The OPTIMA™ 5 endless grommet lifting sling features precision-matched lengths and tight tolerances, making it an ideal solution for marine, industrial, and heavy lifting environments.
This sling achieves its higher strength due to it being 2 HMPE cores insides its cover, while still maintaining the same diameter as the single core OPTIMA™ 5 endless grommet sling. Fully covered with a wear-resistant Cordura sheath, it provides maximum protection against wear, cutting, and snagging. The removable middle section of the sheath allows for easy inspection and maintenance, with the option to completely replace the sheath if needed. Every sling is proof loaded and equipped with a scannable tag for full traceability.
Feature:
Technical Information:
- Construction: Endless Grommet Sling
- Rope Material: Premium HMPE
- Quality Assured: Proof Loaded
- Safety Factor: 5:1 or according to customer specifications
- Length Tolerance: ±0.3%
- Length Tolerance, Matched Pairs: ±0.15%
Specification:
Application:
- Heavy lifting
- Maritime
- Industrial lifting applications
Do you have knowledge of UHMWPE ropes?
Ultra-high-molecular-weight polyethylene (UHMWPE), also known as high-modulus polyethylene, (HMPE), is a very tough material, the third largest high-performance fiber just after aramid fiber and carbon fiber. It is made up of extremely long chains of polyethylene with a molecular mass usually between 3.5 and 7.5 million, which all align in the same direction. It can be said that the fiber form of HMPE is closest to the ideal form of high-strength fibers, and this structure provides maximum strength and stiffness.
HMPE ropes have become the optimal solution for many applications due to their excellent performance. Mooring ropes made from HMPE exhibit numerous outstanding characteristics:
- High strength and light weight
- Flexible handling
- Floats in water
- High resistance to impact
- Resistant to most chemicals
- Resistance to salt spray corrosion
- High tension and bending fatigue resistance
Why choose HMPE lifting slings
Nowadays, the lifting loads have increased, working conditions have become more complex, and the construction plans have become more challenging. In comparison to traditional wire or polyester lifting slings, HMPE lifting and hoisting solutions have remarkable advantages in terms of strength, weight, handling, and storage efficiency. The high-performance sling made from HMPE possess several characteristics, such as high strength, light weight, fatigue resistance, low-temperature durability, and many more. Over the past decade, synthetic high-performance sling have emerged as critical lifting components to replace steel wires.
HMPE lifting slings are highly durable and provide a safer lifting solution. Compared to steel wire ropes:
- Under the same strength, the weight of HMPE rope is only 1 / 8 of that of steel wire rope
- Corrosion resistance and aging resistance, no lubrication is required during use
- Lower overall costs
- Easy to inspect and maintain.
- Easy to splice
- Better fatigue strength and long service life
- Higher safety factor
Effective working length
Effective working length refers to the actual length of the sling after experiencing elastic elongation under the working load. Accurate effective working length is crucial for construction purposes.
The rupture elongation rate of HMPE fiber is approximately 3-4%, which is similar to steel wire. However, the elongation rate of braided HMPE high-performance slings under load may be slightly higher, as it includes the structural elongation of the sling, which is a comprehensive result of the alignment and compaction of the fibers and strands in the rope.
The Optima series lifting slings adopt a unique heat-stretching system in the manufacturing process and undergo pre-stretching. This means that we have essentially eliminated the structural elongation of the sling during use, resulting in a more accurate effective working length.
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