Dyneema® is a synthetic fibre, chemically known as UHMwPE (Ultra High Molecular weight Polyethylene) or HMPE (High Modulus Polyethylene). World renowned for its high strength properties, Dyneema® is used in a variety of applications from yachting halyards to subsea moorings. Feritech use it for many deep-water applications where strength is required without the weight of a traditional steel wire.