I'm still reading, studying, designing, and planning. I've bought a budget hammock to begin my research and experimentation, but I continue to run up against new things like the difference between Amsteel & Dyeema.
Can someone here please lay out the difference between these two lines?
Amsteel is a product name for cordage made with dyneema fibers, so Amsteel is dyneema. It can be quite confusing!
Dyneema is a product name for cordage made with high molecular weight polyethylene fibers. So is Amsteel. It can be quite confusing! The coatings on the manufactured ropes may be slightly different, but they are essentially the same stuff.
Ooooo, I'm gettin' educated now. Thanx y'all.
I also know they're equivalent. Any hmw polyethilene based product should be fine.Originally Posted by WV
Not to be too picky, but the use of the word "Equivalent" is really questionable in this case. There are several (as I understand it) versions of UHMWP fiber that can be used to start with, plus the difference in coatings used, plus the difference in how those fibers are handled during production, plus how they woven.
So manufacture and starting fiber can contribute differences to the final products, so although a rope uses UHMWP it doesn't follow that ropes from different manufacturers will be "equivalent". They may be similar, but like most things in life ... there is usually a range of quality in any manufactured goods and rope IMO is no different.
See post # 5 in this thread. Tha facts are clearly stated there.
Last edited by TominMN; 12-08-2022 at 10:54.
Amsteel is a brand name for Samson cord made of high-modulus polyethylene (HMPE)--also known as Ultra-high-molecular-weight polyethylene (UHMWPE)
Dyneema is the trade name for UHMWPE made by the DSM company in the Netherlands.
Spectra is the trade name of UHMWPE made by Allied Signal/Honeywell International Inc in the USA. Dyneema was initially licensed to Allied Signal by DSM to be manufactured in the USA and the name was changed.
Samson, New England Ropes, Yale Cordage, and other rope companies use Dyneema or Spectra fiber and then make their ropes with their own brand name (such as Amsteel, Dynaglide, Endura-12, Maxibraid, Ultrex, etc) Many of them are available in different diameters depending on the required specs. Some minor differences in coatings.
Last edited by BER; 08-21-2012 at 14:19.
What he said. I retract my earlier statement!
No, you were entirely correct. Samson uses Dyneema SK-75 fiber to make their Amsteel.
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