Brochures
Dyneema® Rope — UK Manufactured, Supplied Direct to Business
English Braids is an official UK manufacturing partner for Dyneema®, producing SK75, SK78, SK99 and DM20 rope at our ISO-accredited Malvern facility. Our range covers 12-strand single braid constructions from 2mm to 32mm diameter, with pre-stretched XPS variants available for applications requiring minimal elongation under load. Where generic HMPE rope delivers inconsistent breaking strains and higher creep rates, certified Dyneema® offers a verified 8:1 weight advantage over equivalent steel wire, with elongation below 1% and up to 4x greater abrasion resilience. We supply cut lengths, reel stock and custom-finished assemblies to marine, offshore, industrial and height safety sectors. Technical datasheets, breaking strain tables and product specifications are available on each product page.
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Dyneema DC75 / 75XPS
SK75 Dyneema® single braid, 3–28mm, breaking loads to 33,500kg. For halyard cores, control lines, dinghy rigging and wire replacement — easily inspected and field-spliced.
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Dyneema DC78 / 78XPS
SK78 Dyneema® single braid, 3–26mm, XPS pre-stretched variant for reduced diameters. Lower creep than SK75 — for high-cycle halyard cores, control lines and wire replacement.
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Dyneema DC99 / 99XPS
SK99 Dyneema® single braid, 10–26mm, to 38,100kg spliced. XPS variant for safety-critical diameter constraints — for halyard cores, offshore guys and high-load wire replacement.
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Cruising Dyneema®
Dyneema®/polypropylene 12-strand core, 24-plait polyester cover, 6–12mm. Replaces polyester halyards size-for-size with less stretch — the economical step up from full polyester.
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Racing Dyneema® Pro
Pre-stretched, heat-set SK78 Dyneema® core with colour-coded 24-plait cover. 8–24mm to 23,500kg — for race craft halyards, sheets and control lines requiring maximum tenacity and minimum creep.
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Dynastay
DM20 Dyneema® 12-strand construction, pre-stretched to virtually zero creep. For standing rigging, structural tethers and static load applications where elongation over time compromises safety or system geometry.
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Steelsafe
12-strand Dyneema® in SK75, SK78, SK99 or DM20. Torsionally stable, 18–96mm, breaking strains to 597 tonnes — for heavy lifting, offshore mooring and industrial wire replacement.
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Winching Dyneema
Pre-stretched, heat-set SK78 Dyneema® core with colour-coded 24-plait polyester cover. 8–24mm to 23,500kg spliced — for 4x4 winching, lifting and industrial applications requiring maximum tenacity and minimum creep.
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Racing Dyneema®
SK75 Dyneema® 12-strand core, 24-plait polyester cover, 8–16mm. Minimises jammer bunching — for racing halyards and sheets requiring high shear resistance and winch wear durability.
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Continuous Control Line
Polypropylene core with Dyneema®/polyester 16-plait cover, engineered for endless loop splicing on dinghy control systems. Low stretch and low friction for precise, smooth running through blocks and clutches. Available in multiple colours.
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D-Racer 16
SK78 Dyneema® core with 16-plait polyester cover, 3–6mm. A supple, easily spliced alternative to Dinghy Dyneema® — for dinghy halyards and sheets where flexibility matters.
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Dinghy Dyneema®
SK78 Dyneema® 12-strand core, 32-plait polyester cover, 1–6mm. Weave construction resists hardware damage through blocks and jammers — for dinghy control lines, halyards and sheets requiring high strength and low creep.
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Superyacht Dockline Dyneema®
100% Dyneema® core, 12-strand, 24-plait cover, 24–40mm. Made to order with factory-spliced eyes and chafe protection in polyester, Dyneema® or leather — for superyacht mooring lines requiring bespoke specification and finish.
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Dynamic Line DC12
SK75 Dyneema® 12-strand bare braid with PU coating, 2–8mm. Exceptional break load for diameter — for dinghy control lines, halyards, soft shackle manufacture and dynamic steel replacement.
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Steelsafe Ultra
SK75 Dyneema® 12-strand core with protective 24-plait polyester cover, 22–44mm to 116T spliced. The covered alternative to Steelsafe — for winchlines and lifting slings where core protection from abrasion and sheave wear is critical.
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D-Tract
12-strand bare braid with pitch-optimised coating to resist dirt ingress, available in Dyneema® or HMPE. 9–16mm to 16.2T spliced, torsionally stable — engineered for 4x4 winching and vehicle recovery.
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Why Dyneema?
- 15x Stronger Than Steel
At just 1/7th the weight of equivalent steel wire, Dyneema® allows for smaller, safer, and more ergonomic rigging systems. Its neutral buoyancy (SG 0.97) ensures full crane capacity is maintained at any depth without the penalty of "self-weight".
- Ultra-Low Elongation
With elastic stretch typically below 1%, Dyneema® eliminates "rope bounce" and provides millimetre-accurate control for precision lifting. This low-energy state also drastically reduces "snap-back" hazards compared to high-stretch polyester or steel.
- 4x Longer Service Life
Engineered to manage the FACTs (Fatigue, Abrasion, Creep, and Temperature), our Dyneema® range offers up to 4x the abrasion resilience of generic HMPE. Specific grades like SK78 and DM20 are further optimised to virtually eliminate permanent creep.
- 90% Lower Carbon Footprint
English Braids utilizes mass-balanced circular feedstocks that reduce CO_2 emissions by up to 29 tonnes per tonne of fibre compared to fossil-based HMPE. You achieve the same certified Minimum Breaking Load (MBL) while meeting rigorous Scope 3 ESG targets.
- Superior Axial Thermal Conductivity
Dyneema® is a thermal-engineered thermoplastic. While it has a melting point of 145°C, its unique molecular alignment allows for high axial thermal conductivity (20W/m.K), dissipating heat along the fibre length 100x faster than standard polymers. This makes it exceptionally resilient in high-friction winch environments where internal core fusion is a risk for generic HMPE.
- 90% TCLL Fatigue Resilience
Our Dyneema® range is benchmarked against TCLL (Thousand Cycle Load Level) standards. While generic HMPE often fails under high-frequency cyclic loading, our SK78 fibres maintain over 90% of their original breaking strength after 1,000 load cycles. This reduces Total Cost of Ownership (TCO) by extending the safe operational window between replacements.
Experience unparalleled strength & reliability - speak to our expert team today
Dyneema® Grade Comparison: SK75, SK78, SK99 and DM20.
Real-world reliability is dictated by the FACTs: Fatigue, Abrasion, Creep, and Temperature. This matrix provides the markers required to ensure a lower Total Cost of Ownership (TCO).
The established specification for general marine, lifting and industrial rigging. Delivers an 8:1 weight advantage over steel with consistent, certified breaking loads — suited to high-volume applications where creep resistance is not the primary requirement.
The default choice for high-cycle winching, mooring and running rigging. Offers 90% TCLL fatigue resilience over 1,000 high-load cycles — where dimensional stability under sustained load is operationally critical.
Delivers a 20% strength advantage over SK78 at equivalent diameter — the specification of choice for grand-prix racing, deep-water lifting and offshore applications where diameter and weight margins are non-negotiable.
Engineered for permanent static installations — standing rigging, structural tethers and long-term load-bearing applications. Molecular “anchors” inhibit chain sliding, delivering virtually zero permanent creep where geometry and safety margins cannot drift.
Steel-to-Synthetic Efficiency Matrix
Transitioning from steel wire to Dyneema® delivers a dramatic improvement in strength-to-weight efficiency. At an equivalent breaking strain, our solutions offer a 7:1 weight advantage, significantly reducing crew fatigue and the Total Cost of Ownership (TCO) of deck hardware.
Efficiency Study: 500kN Strength Target
To achieve a 50-tonne (500kN) breaking capacity, the weight differential between synthetic and steel is transformative:
| Material | Diameter | Weight/100m |
|---|---|---|
| Dyneema® SK78 | 24mm | 32kg |
| Steel Wire (1770 N/mm²) | 28mm | 324kg |
Result: 90% Weight Saving per metre
Kinetic Safety & Energy Management
Unlike steel wire, which acts as a massive spring, Dyneema® has ultra-low elastic elongation. Upon failure, the stored potential energy is significantly lower, causing the line to drop inertly rather than “snapping back” with lethal velocity.
