Our premium 18mm Braid on Braid Polypropylene Floating Rope is a strong, lightweight and flexible marine rope, ideal for boat mooring, dock lines, RIBs, general marine ropework and outdoor applications.
Manufactured from 100% High Tenacity (HT) Multifilament Polypropylene, this rope combines excellent buoyancy with good strength, flexibility and very good chemical resistance.
Unlike polyester and nylon ropes, polypropylene floats on water, making it particularly useful for marine applications where a lightweight, floating rope is required.
Featuring a durable braid on braid construction, this 18mm rope offers a smooth, flexible finish that is easy to handle, coil and store.
With an unspliced breaking load of 5,350kg (5.35 tonnes), it provides a practical solution for appropriately specified marine and general-purpose applications.
Key Features
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100% HT Multifilament Polypropylene – Strong, lightweight synthetic rope.
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18mm Rope Diameter – Suitable for a variety of marine and outdoor applications.
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Floating Rope – Specific gravity of approximately 0.91 means it floats on water.
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5,350kg Breaking Load – Stated unspliced rope breaking strength.
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Braid on Braid Construction – Flexible double braided design for easy handling.
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Very Good Chemical Resistance – Suitable for demanding marine environments.
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UV Resistance – Sufficient for general outdoor applications.
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Lightweight Construction – Weighs approximately 14.60kg per 100 metres.
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No Fibre Water Absorption – Polypropylene fibres do not absorb water.
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Flexible & Easy to Handle – Smooth braided finish for comfortable handling.
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Versatile Marine Rope – Ideal for mooring, docking and general boat ropework.
Rope Sizes & Breaking Loads
| Rope Diameter |
Weight per 100m |
Unspliced Breaking Load |
| 14mm |
8.86kg |
3,225kg (3.23 Tonnes) |
| 16mm |
11.60kg |
4,310kg (4.31 Tonnes) |
| 18mm |
14.60kg |
5,350kg (5.35 Tonnes) |
Breaking loads are stated for unspliced rope and tested in accordance with ISO 2307.
Please Note: This product listing is specifically for 18mm polypropylene braid on braid rope. Other diameters are shown for comparison.
Technical Specifications
| Specification |
Details |
| Product Type |
Floating Polypropylene Marine Rope |
| Rope Diameter |
18mm |
| Material |
100% HT Multifilament Polypropylene |
| Construction |
Braid on Braid / Double Braid |
| Specific Gravity |
Approx. 0.91 |
| Buoyancy |
Floats on Water |
| UV Resistance |
Sufficient |
| Chemical Resistance |
Very Good |
| Melting Point |
Approx. 165°C |
| Critical Temperature |
Approx. 80°C |
| Elongation at Break |
Approx. 23% |
| Fibre Water Absorption |
None |
| Wet Abrasion Resistance |
Fair |
| Dry Abrasion Resistance |
Fair |
| Stated Standard |
EN ISO 1346 |
| Breaking Load Test Standard |
ISO 2307 |
Suitable Applications
Our 18mm Floating Polypropylene Braid on Braid Rope is suitable for a variety of marine and general-purpose applications, including:
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Boat Mooring & Dock Lines
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RIB Mooring Ropes
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Yacht & Motorboat Ropework
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Marina & Pontoon Berthing
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Floating Marine Lines
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General Boat Ropework
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Outdoor & Utility Rope Applications
