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Materials Knowledge

Dyneema is an UHMWPE fiber. DSM invented Dyneema more than 30 years ago and it has been in production since 1990. the fiber is incredibly versatile with virtually limitless applications. The fiber is manufactured by means of a GEL-spinning process that combines extreme strength with incredible softness. Dyneema is a super-strong fiber based on UHMWPE it offers maximum strength combined with minimum weight.

Dyneema sk75 is an extremely high-strength, low-stretch fiber.

Dyneema sk78 fiber proved its superior performance under extreme conditions. The high modulus fiber, sk78 has a better stability under constant loads, improved creep feature than its prototype.}

Dyneema sk90 is one of the most advanced high-tech fibers with 12-13% greater strength, has same creep feature as sk-75 fiber. It is a perfect fiber for extreme sailors who are in search of outstanding performance

Dyneema sk99 is the newest fiber in Dyneema's sk range - 99 sailing inspirations with Dyneema spotlights and shares the many ways the world's strongest fiber is extending performance and giving professional and recreational sailors a winning, and safety, edge. Sk99 has nearly Higher strength than sk78 and keeps the same elongation and creep features as sk75

Technora is a para-aramid fiber made from co-polymers and produced from poly-Paraphenylene terephthalamide (PPTA). It was independently developed by TEIJIN and has been commercially available since 1987. this high performance fiber has a range of excellent properties, including high tensile strength, good fatigue resistance, long-term dimensional stability and good resistance to corrosion, heat, chemicals and saltwater

Vectran is a high-performance multifilament yarn spun from liquid crystal polymer (LCP) produced by Kururay in japan. Vectran is currently the only melt spun LCP fiber in the world that is commercially available. The unique combination of characteristics of vectran fibers make it superior to many other materials and enable it to perform under conditions in which other materials fail


Modulus of the, at that time, leading man-made fibers, nylon and polyester. Dupont\'99 succeeded in creating an innovative polymer chain extension method which can be considered the cornerstone of the current formulation. Dupont \'99 kevlar is a so-called para-aramid fiber. Its properties make it suitable for the most difficult and demanding applications in several in the 1960s dopont developed KEVLAR in response to the limited braking strength and initial industries it combines high strength and modules toughness and thermal stability

First commercial polyester fiber production: 1953, Dupont company. Polyester is a category of polymers which contain the ester functional group in their main chain.
Polyester is the most durable of the common materials. It has good breaking load and a low elongation. It has good resistance against sunlight, external abrasion. Polyester does not lose strength rapidly due to cyclic loading. Polyester has a low co-efficient of friction. Polyester is used as a material for the cover ( protection against uv radiation ) in the hig-tech ropes and is most widely used fiber in yachting ropes as well as for anchoring lines

First commercial nylon fiber production: 1939, DUPONT company. A manufactured fiber in which the fiber forming substance is a long-chain synthetic polyamide in which less than Of the amide-linkages are attached directly (-co NH-) to two aliphatic groups. Polyamides-of its strength when wet. The abrasion resistance of polyamide is better in wet conditions than in dry conditions. Polyamide can become stiff (kept in wet condition for too long ). The most important polyamides are pa 6 and pa 6.6.

Polyamide is used for mooring lines, sport climbing ropes, safety and rescue ropes
this special polyurethane coating known as long lasting- most efficient kind of protective coating that is being applied to each of our high-tech lines to improve abrasion resistance on the ropes and avoids slippage between cover and core. This particular process offers excellent substrate protection to get better results, which also makes the splicing much easier

This particular thermal process increases efficiency and strength of dyneema ropes, which also achieves significant improvements in the break load of the rope and almost eliminates the 'creep' that helps ropes to have better performance. This procedure contracts the yarns and increases the net fiber density of the rope as well the ropes become stronger and more durable than standard production performance ropes through these processes

Dyneema fiber currently has a lowest stretch among all the other synthetic fibers. However, the constructional elongation will occur during twisting and braiding processes of basic rope manufacturing procedure. Pre-stretch method is used to minimize this constructional elongation and improve rope strength. When the heat set and pre-stretch process applied on the rope together, the both constructional and structural elongation will be reduced yet further increase in strength is also obtained by making the polymer to linear array. We apply this method to all of our high-tech and mid-tech lines to have an excellent product that exceeds our customer's needs.