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Old 10-04-2012, 04:11 PM
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Default 6/0 vs. "Denier" rating?

Hey Guys & Gals:

I don't know anything about the correspondence between the Denier rated thread strength and 3/0, 6/0 & 8/0 etc.

All I know is 6/0 is stronger than 8/0, 8/0 is "fine" etc.

Anyone have a link to a chart or an explanation?
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Old 10-04-2012, 08:14 PM
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Default Re: 6/0 vs. "Denier" rating?

Here are some general rules.

1. There is no correlation between denier and the "aught" rating system. The "aught" system is good for a single manufacturer. A 6/0 from one manufacturer may be a thicker or thinner thread compared to a 6/0 from another manufacturer system. See comparison of Gudebrod and Benecchi below.

2. Breaking strength varies with the material and its diameter. For example, nylon thread from different manufacturers of the same diameter will have near identical breaking strength. See comparison of Gudebrod and Benecchi below.

The comparison between 8/0 Gudebrod vs 8/0 and 12/0 Benecchi shows how you cannot rely on the "aught" system. The 8/0 Benecchi is much thicker than Gudebrod. When equal thickness threads are compared, the 8/0 Gudebrod and 12/0 Benecchi, the breaking strengths are identical. Don't be fooled by the "aught" system.

Manufacturer/aught/material/denier/breaking strength/thickness in .000

Click the image to open in full size.

3. Nylon and polyester thread have about the same breaking strength. GSP is much stronger.

4. There is NO FREE LUNCH. You cannot make a stronger thinner thread from identical materials. All you can do is to label a thread as being thinner using the "aught" system to make buyers think your thicker thread is as thin as a competitors and stronger.

5. Denier within as single material gives a true comparison of thickness. A lower denier will be thinner. Identical deniers of identical material will have near identical breaking strengths.

6. The way to pick thread is to pick the material and then pick whether you want the thread twisted or flat.

Here are recommendations:

1. I prefer a flat thread. It can be used for split thread dubbing loops. It lies flatter and is less bulky when wraps are stacked. It is less apt to cut through materials such as foam. It can be twisted when you need a twisted thread. If you do buy a twisted thread, get a non-bonded thread that can be untwisted.

2. I prefer polyester over nylon. It has less stretch. Nylon has brighter colors when you need a bright thread.

3. I use GSP thread only when I need extreme strength, for example, when flaring deer hair.

4. Stick with a single manufacturer at first to get familiar with the properties of the thread. For a newbie, I suggest nylon since it stretches before breaking and it gives you more "feedback" when you are reaching the thread limit.
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Old 10-05-2012, 06:17 AM
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Default Re: 6/0 vs. "Denier" rating?

Thank you so much Silver.

So, as far as possible, I might need to shift over to buying mostly Benecchi threads.
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Old 10-05-2012, 10:32 AM
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Default Re: 6/0 vs. "Denier" rating?

Don't be affraid to experiment with threads. I do alot of thread art when building rods. The thread I use most is a Madeira. In rod building terms it's considered a size "A", in fly tying it's somewhere between a 6/0 and a 3/0. It's a Polyneon thread used for embroidery work, very strong and hundreds of colors. I'm always transferring these threads onto 1" spools for thread work anyway, and they fit perfectly into a stadard bobbin. What's my point in posting this? I pay $4.00 for an 1100yd spool instead of $3 for 200yds.
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Old 10-05-2012, 12:55 PM
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Default Re: 6/0 vs. "Denier" rating?

Okay Swirlchaser:

Madeira, polyneon thread, in 6/0 & 3/0....etc. I get the point. Thank you so much. I do use some fine threads and some "Big Fly" threads also, so your post is very instructive. Thanks.
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Old 10-05-2012, 05:09 PM
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Default Re: 6/0 vs. "Denier" rating?

Gary Borger put me onto Nymo beading thread. It is cheap and comes in several sizes. It is spooled onto sewing machine size bobbins that I use in Matarelli midge bobbins. Easy to store and use.

Click the image to open in full size.

Beading Thread, Fireline, Nymo, Sylamide
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Old 10-07-2012, 05:41 AM
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Default Re: 6/0 vs. "Denier" rating?

Quote:
Originally Posted by swirlchaser View Post
Don't be affraid to experiment with threads. I do alot of thread art when building rods. The thread I use most is a Madeira. In rod building terms it's considered a size "A", in fly tying it's somewhere between a 6/0 and a 3/0. It's a Polyneon thread used for embroidery work, very strong and hundreds of colors. I'm always transferring these threads onto 1" spools for thread work anyway, and they fit perfectly into a stadard bobbin. What's my point in posting this? I pay $4.00 for an 1100yd spool instead of $3 for 200yds.
----------------

Madeira Polyneon - 349 Colors to choose from...

That kind of says sumpin'
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