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Berkley NanoFil line strength test

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slipperybob:
Again just a reminder, I am not testing the actual line tensile strength.  I am testing for real world practical use with the knot I intend to use for fishing.

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I finally gave in and decided that Berkley NanoFil will be worth testing.  Well at least in the line strength testing for 6# package list at .13mm diameter.  To my first surprise was a very disappointing knot failure line break.  The knot slipped and the fibers burned itself into tension failure.  That was a result of a mere 5# 9 oz.  I concluded that I needed some more assuring knot buffer.  I tied my next knot over the remaining amount of knotted scraps. That worked and my next knot break held up to 8# 15 oz.  Then the other knot slipped.  I had to repeat the same knot buffer.  With both knots altered, I actually achieve a 10# knot break.

With the awesome strength result from 6# NanoFil, I decided that 4# NanoFil at packaged diameter listed .10 mm should be a good purchased to.  The strength test for real world use had a bit of insight as I was expecting knot slip as part of the factor.  So I took much more care in tying up this line.  To no avail my knot still slipped with such a thin line.

The first knot slip broke at a mere 3# 2 oz.  The second knot slip broke at 3# 14 oz.  The third attempt, my knots held up to 5# and it began to slipped.  The line pressure dropped back down to 3# some and with a little more tension knot broke at 3# 6 oz.  This makes for an average of 3# 8 oz.

At such a thin diameter, I expected the disparity in results.  Whats a great line in one diameter may be very disappointing in another diameter.  Well, moving onto different knot experimentation now and Spro #8 power swivel.

To continue with knot testing with the popular Palomar knot.
NanoFil 6# .13mm palomar knot fail 4# 14 oz.
NanoFil 4# .10mm palomar knot fail 2# 3 oz.

Onto the NanoFil knot.
NanoFil 6# .13mm Nano knot fail 7# 12 oz.
NanoFil 4# .10mm Nano knot fail 5# 9 oz.

I had up the line wraps on my knot from my old typical 4 wraps to 6 wraps now.  I got much better results, even though I used the same line that broke off from the Palomar knot and NanoFil knot.  The line was already showing stress rings from tension stress throughout the line already.  Running the line through my finger and thumb, I could feel the tension stress rings nicks.

NanoFil 6# .13mm knot break 9# 14 oz.
NanoFil 4# .10mm knot break 7# 5 oz.

I will also add that the NanoFil 4# easily is snipped.  In fact I really didn't have to, just ran the line across the edge of my scissor and it broke off cleanly.  The NanoFil 6# actually took a little effort.  The strength of the line itself is very strong.  The shortcoming is it breaks very easily from an edge.  That's a hint of low resistance in real world use.  I would much rather use the old discontinued Stren Microfused line at 2# test with better resistance to breakage from an edge.

A side note, it's weird that the line spooled on 4# is clockwise with label on front.  While the line spooled on 6# is counter-clockwise with label on front.  That's just confusing.

tacklebox07:
slipperybob,  I have had the same problem with Nanofil, knots not working very well with either 4# or 6#. I have tried various knots including the knots you tried, finally gave on this line. I got some Sufix Nanobraid, totally different, so far so good using palomar and uni knots. Have you done any testing on this line.  thanks  dave

logicallycompromised:
i use this stuff with both a double albright knot which is recommended on the spool to 6x trout hunter flourocarbon tippet.  i have no doubt the line is not losing much of its tensile strength.  i also tie the following knot to a 1mm tippet ring and there is little degradation here as well.  the knot appears to have several names, 16-20/pritzen/eugene bend knot, there are a couple example on youtube of people tying them with hemostats.  this is how i tie them.  i stummbled onto this knot about 5 years ago when i was looking for a stronger knot for connecting a small diameter line to a large diameter eye; e.g. 7x tippet to a sz10 hook.  this knot requires little dexterity and has an audible click you can often hear and feel as the knot slips over its self, there is no guessing.  if in rare instances it does not do that, start over.  what makes a knot break is it creates a stress concentration which reduces the cross sectional area of the line.  now we have the same force but being applied over a smaller area, increasing stress.  the polymer knot is either going to be ~90% or it will approach 50%.  it is tough to keep an eye on if the line crossed.  i am happy to never use it again.  i also use 16-20 for drop shot with a couple baits inline to keep them horizontal.  often with polymer it is a coin toss if you will get the hook point up like you want or not.  the 16-20 always maintains the hook riding up and horizontal ounce you spend time and understand its small nuances.

i have been fishing it on a spinning reel and do not like the spinning i am seeing so i ordered an inline reel to see how well it mitigates one of the few problems i have with the line.  its smoother, smaller surface, sheds water and does not freeze my smaller guides were as braid would do it with ease.

awesome line and happy i purchased some for cheap on amazon a couple weeks back.

slipperybob:

--- Quote from: tacklebox07 on Jan 11, 2018, 12:32 PM ---slipperybob,  I have had the same problem with Nanofil, knots not working very well with either 4# or 6#. I have tried various knots including the knots you tried, finally gave on this line. I got some Sufix Nanobraid, totally different, so far so good using palomar and uni knots. Have you done any testing on this line.  thanks  dave

--- End quote ---

Sorry, I have not done any testing on Sufix Nanobraid.

esox_xtm:
I'm one that happens to like Nanofil. Got a bulk spool of 6# and several fillers of 14#. As far as the 6# goes I have no complaints, 20+" whitefish and 25" walleye were no issue. I only use Palomar or Uni knots with any superline.

Regarding the "snippability" of the 4# I'd transfer that to any pound test of any superline regardless of manufacturer or pound test. Superline cuts very easily but has many other advantages, nature of the beast.

For pannies, bass, walleye no problem. For pike, pickerel or muskies you need steel or at least a high diameter fluorocarbon leader.

I like the diameter vs # test that superlines have to offer and if you stay within the parameters of use you'll be just fine.

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