Marlow Ropes Ltd is a British privately owned specialist manufacturer of synthetic fiber ropes and assemblies. The factory in Hailsham, East Sussex, boasts the ability and technology to make ropes / cords.

Marlow Ropes is proud of its heritage – not only as a world-renowned brand for quality, performance and innovation, but as a company that has been connected to the local community for over 200 years. It specializes in the use of exotic synthetic fibers such as Vectran, Zylon, Technora, Nomex and Twaron and is a key partner of DSM Dyneema, which has designed Dyneema’s SK99, SK78, SK75, SK38, DM20 and XBO specialty lines.


One of the first high-performance materials used in the binding industry was aramids such as Kevlar, Technora and Twaron. Aramid or poly- (para-phenylene terephthalamide) is a low-elongation, high-strength fiber with good creep and high temperature resistance. However, its UV and abrasion resistance is poor, meaning that the aramid rope is best coated with another material, such as polyester. Aramids have poor resistance to knots and bending, which requires large discs on pulleys, for example.

The aramid family also includes meta-aramides (poly (metaphenylene isophthalamide)) such as Nomex and Tejinconex. These are meta-linked aramids and have excellent flame and heat resistance, but they are not as strong as para-linked aramids.


Another “exotic” material that hit the market was high modular polyethylene e.g. Dynamium and spectra. Like aramids, it is a low-strength, high-strength fiber, but HMPE ropes are lighter than aramids (HMPE relative density 0.97) and do not suffer from the same loss of strength when using low D: d ratios. Read more about Dyneema for more information


Vectran or aromatic liquid crystal polyester is another high strength but low elongation material. Vectran has very low slip and has higher durability than Aramid. It is also very heat resistant.


PBO or poly (p-phenylene-2,6-benzobisoxazole) is marketed under the trade name Zylon. This material is relatively new to the market. PBO is currently one of the strongest materials available for rope making; PBO has very low elongation and exceptional resistance to high temperatures. However, like aramids, this fiber must be protected from UV radiation and abrasion.


This synthetic material has excellent resistance to UV radiation and abrasion. Water does not affect polyester either. This combination of properties means that polyester is a material used both in the braiding of protective coatings and in the binding of pure polyester. The polyester has a density of 1.38, a melting point of 260 ° C and an elongation at break of about 12%.


Also known as polyamide, this material is slightly stronger than polyester when dry, but weakens by up to 10% when wet. Nylon has good UV and wear resistance. The main advantage of nylon over other materials is its breakage resistance of 30%, making it ideal for applications where energy absorption is required. The nylon has a relative density of 1.14 and a melting point of 220 ° C.


Polypropylene is a very light material with a density of 0.91, which means that the rope in this material floats. Polypropylene has moderate resistance to UV radiation and abrasion. The breaking point is similar to polyester, but the strength is not so high. Polypropylene has a relatively low melting point of 170 ° C. Polypropylene has good resistance to the chemical list.


This material has properties similar to polypropylene, but slightly better UV resistance. The relative density is 0.97 and the melting point is about 165 ° C.


PEEK (polyether ether) is a member of the polyethylene polymer family that offers exceptional thermal and dimensional stability. The real value of Zyex PEEK fibers is that they provide a longer life under extreme temperatures, steam or chemical exposure to a variety of abrasive conditions.



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