Dyneema SK78 12 Strand Rope – High Strength, Low Stretch
Our premium Dyneema SK78 12 Strand Braided Rope delivers exceptional strength, minimal stretch and excellent abrasion resistance in a lightweight, flexible construction.
Manufactured from coated Dyneema SK78 fibre, this high-performance rope offers an outstanding strength-to-weight ratio, making it an excellent choice for demanding sailing, marine and specialist rope applications.
Featuring a 12 strand braided construction, the rope is flexible, easy to handle and suitable for specialist splicing.
Available in diameters from 3mm to 18mm, with stated breaking loads up to 36,800kg (36.8 tonnes).
Priced and sold by the metre – simply select your required diameter and quantity.
Key Features
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Dyneema SK78 Fibre – High-performance rope with exceptional strength.
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12 Strand Braided Construction – Flexible, lightweight and suitable for professional splicing.
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Extremely Low Stretch – Less than 1% stated working stretch.
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Exceptional Breaking Strength – Stated rope breaking loads up to 36,800kg.
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Lightweight & Floating – Specific gravity of 0.97 means the rope floats in water.
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Protective Fibre Coating – Coated construction for enhanced handling and protection.
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Excellent UV Resistance – Suitable for demanding outdoor and marine environments.
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Excellent Chemical Resistance – Resistant to a wide range of common chemicals.
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Excellent Abrasion Resistance – Performs well in wet and dry conditions.
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No Fibre Water Absorption – Maintains its lightweight characteristics when wet.
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Seven Diameters Available – Choose from 3mm, 4mm, 5mm, 6mm, 8mm, 10mm and 18mm.
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Sold by Metre – Order the length required for your project.
Rope Sizes & Breaking Loads
| Rope Diameter |
Stated Rope Breaking Load |
| 3mm |
950kg |
| 4mm |
1,600kg (1.6 Tonnes) |
| 5mm |
3,000kg (3.0 Tonnes) |
| 6mm |
3,500kg (3.5 Tonnes) |
| 8mm |
7,000kg (7.0 Tonnes) |
| 10mm |
11,500kg (11.5 Tonnes) |
| 18mm |
36,800kg (36.8 Tonnes) |
Breaking loads are stated for the rope itself. Knots, splices and other terminations may reduce the strength of the finished assembly.
Technical Specifications
| Specification |
Details |
| Product Type |
High-Performance Dyneema Rope |
| Material |
Coated Dyneema SK78 |
| Construction |
12 Strand Braided |
| Available Diameters |
3mm, 4mm, 5mm, 6mm, 8mm, 10mm & 18mm |
| Specific Gravity |
0.97kg/dm³ |
| Buoyancy |
Floating |
| UV Resistance |
Excellent |
| Chemical Resistance |
Excellent |
| Melting Point |
Approx. 147°C |
| Critical Temperature |
Approx. 65°C |
| Working Stretch |
Less Than 1% |
| Fibre Water Absorption |
None |
| Wet Abrasion Resistance |
Excellent |
| Dry Abrasion Resistance |
Excellent |
| Stated Standard |
ISO 10325 |
| Supply |
Sold by Metre |
Suitable Applications
Ideal for a wide range of high-performance applications, including:
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Sailing & Yacht Rigging
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High-Performance Halyards
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Control Lines & Rigging Systems
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Marine Rope Assemblies
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Custom Spliced Rope Loops
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Soft Shackles & Specialist Ropework
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Low-Stretch Tensioning Applications
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General High-Strength Rope Projects
