Originally Posted by
turnerminator
Dyneema and Spectra are both brand names for UHMWPE. The UHMWPE is Ultra High Molecular Weight Polyethylene. The individual fibres are very thin but incredibly long and straight and this provides UHMWPE with its strength. Lots of different ropemakers(eg. Samson) buy the fibres from DSM who license dyneema, and then spin them into lovely braid which we know as Amsteel Blue. Amsteel blue is made from a specific type of fibre called SK75. There are other grades of dyneema too, such as sk78 as used in Samsons AS78 hollow braid.
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