This won't be easy. Need very good steel for cutting Dyneema & kitchen friendly.

Agreed with the above - A specific tool for that specific job will produce the best results.

However, if you're looking for a folder that meets your stated requirements and budget I'd suggest the Benchmade Contego model 810-1401. Great for beefy EDC and will certainly take a few of those high tech fibers to task.
 
Looks like you got something sorted.

I have had excellent success using A Spyderco Farid K2 in 10V very hard, very high V. Long lasting edge retention. Price point is right there... I cut and splice Spectra (Dyneema) and technora ropes with it all the time. A toothy edge helps, so I sharpen with a 600 grit.
 
Thanks Rapt_up
That's quite the folder! For slicing on a plastic board I do like a straighter edge with just a little belly, it gives you more edge to work with. I read one reviewer cut 5/8 manila rope 1100 times with it to reach 20lb of pressure. The Basic 3 cut 1" manila rope 2000 times so that's about 8 times more rope cut. All rather academic of course. I have been using my S30V bush knife and honing with a ceramic rod frequently, it works as that steel has some bite to it.
I have always regarded folders as weak, I had one over 3 inches that broke the first time I used it so now I just use small folders for simple things and buy fixed knives. This new Basic 3 cost me much less than the Farid K2 would cost me. It will live on my sail boat in the summer, I love sitting out in the cockpit splicing.
As an aside have you tried the fishing leader wire made of Titanium and Boron as a splicing tool? It keeps a good bent shape where you fold it around a small pair of pliers and the rest stays straight when making the splice. My local fishing store could not sell them so cleared them out crazy cheap so I bought them all! You get quite a few splices before the bend gives way to fatigue.
 
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This is the newest version of the Boye Basic 3. The knife is just cast not hollow ground. The edge is ground the same way. The sheath has changed it is slimmer without the brass liners, instead a hinged plastic liner. The knife sits higher in the sheath so you need to keep the top closed.

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The new version is not advertised yet; the price is lower but how much lower I don't know, my price was somewhat negotiated.

I compared it's cutting to the Benchmade S30V sheath knife I have of similar size and edge geometry. The Oletec 12-1 3/8 braid is a polyolefin brutal to cut rope. Both knives took 7 to 9 very firm strokes to cut it but after 2 cuts the S30V had developed a burr on one side and needed a ceramic rod to move the burr back. The Boye just kept cutting with no Burr. The Boye cuts through Amsteel like butter in one small movement, most impressive. This industrial Oletec 12-1 is a floating line used on the east coast by fishermen. The stuff is the hardest to cut rope I have ever used.

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The knife in the new sheath is very slim but sits higher on a belt, it may catch on boat lines more easily when sailing. I may add a dongle if that is a problem. I have not cut endless rope but will just use it in my splicing to gauge how long it takes before it needs sharpening. Very pleased with this slicing tool!
 
The first pic displays properly the other 2 are not, no idea why they are all the same size.

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Looks really cool! just for anyone else doing some much lighter dyneema work, zing-it or the sizes that hammockers use, I found that the cheap-ish ceramic folders from china are adequate, the handles suck, so you pretty much treat them like a blade cover, but with a straight push against a solid cutting block they cleanly deal with the dyneema.

Not for production level work like you are doing, but better than killing a set of scissors to make some whoopie slings.
 
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