Racing Dyneema SK78 Rope – High Strength, Ultra Low Stretch Sailing Rope
Experience exceptional strength and precision with our Racing Dyneema SK78 Rope, designed for competitive sailing, performance yacht rigging and demanding marine applications.
Constructed with a 12 strand Dyneema SK78 core and a 24 strand High Tenacity Polyester outer cover, this premium double braid rope combines outstanding breaking strength with excellent abrasion resistance and minimal working stretch.
Engineered for responsive sail control, it is ideal for halyards, sheets, rigging and control lines where strength, low elongation and reliable handling are essential.
Available in 6mm, 8mm, 10mm and 12mm diameters, supplied by your selected length. Custom splicing can be purchased separately.
Key Features
-
Genuine Dyneema SK78 Core – High-performance fibre offering exceptional strength and minimal elongation.
-
Ultra Low Working Stretch – Less than 1.5% for precise sail control.
-
12 Strand Dyneema Construction – Strong, lightweight core designed for demanding marine applications.
-
24 Strand HT Polyester Cover – Provides excellent UV and abrasion resistance.
-
High Breaking Strength – Unspliced rope breaking loads up to 9,000kg.
-
Excellent Wet Abrasion Resistance – Suitable for demanding marine environments.
-
Four Diameters Available – Choose from 6mm, 8mm, 10mm or 12mm.
-
Sold by Length – Order the amount of rope required for your application.
-
Optional Custom Splicing – Professional splicing available as a separate service.
Rope Sizes & Breaking Loads
| Rope Diameter |
Unspliced Rope Breaking Load |
| 6mm |
3,000kg (3.0 Tonnes) |
| 8mm |
4,500kg (4.5 Tonnes) |
| 10mm |
7,000kg (7.0 Tonnes) |
| 12mm |
9,000kg (9.0 Tonnes) |
Unspliced rope breaking loads tested in accordance with ISO 2307.
Technical Specifications
| Specification |
Details |
| Product Type |
Racing Dyneema SK78 Sailing Rope |
| Inner Core |
12 Strand Dyneema SK78 |
| Outer Cover |
24 Strand High Tenacity Polyester |
| Construction |
Double Braid |
| Available Diameters |
6mm, 8mm, 10mm & 12mm |
| Specific Gravity |
0.99–1.20kg/dm³ |
| UV Resistance |
Excellent |
| Chemical Resistance |
Good |
| Melting Point |
Approx. 147–256°C (Fibre Dependent) |
| Critical Temperature |
Approx. 65°C |
| Working Stretch |
Less Than 1.5% |
| Fibre Water Absorption |
Approx. 0–1% |
| Wet Abrasion Resistance |
Excellent |
| Dry Abrasion Resistance |
Very Good |
| Breaking Load Test Standard |
ISO 2307 |
| Supply |
Unspliced Rope, Sold by Selected Length |
Suitable Applications
Ideal for a variety of high-performance marine applications, including:
-
Racing Yacht Halyards
-
Sail Sheets & Control Lines
-
Performance Yacht Rigging
-
Low-Stretch Marine Rope Systems
-
Sailing Purchase Systems
-
Custom Spliced Rope Assemblies
📦 How to Order
-
Select your rope diameter – Choose 6mm, 8mm, 10mm or 12mm.
-
Enter the length required – Select the quantity of rope you need.
-
Add the rope to your cart.
-
Need splices? Add them separately using the link below.
👉 Add Splices to This Rope – Click Here
Please Note: Splicing is not included in the rope price and must be purchased separately.
Custom Splicing Available
We offer professional Dyneema rope splicing at our London warehouse, allowing you to customise your rope with suitable end terminations for your sailing and rigging requirements.
Simply order your rope and add the required splicing service separately.
Premium Racing Dyneema SK78 rope delivers outstanding strength, ultra-low stretch and dependable handling for serious sailors and demanding marine applications.
Please Note: Rope is supplied unspliced unless a separate splicing service is purchased. The stated breaking loads apply to unspliced rope and are not safe working load ratings. Splices, knots and other terminations can affect the finished assembly strength. Always select the appropriate rope diameter and fittings for your intended application.
