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Forum > Men Who Sew > Kevlar Twill Fabric ( Moderated by CarolynGM, Deepika)

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Kevlar Twill Fabric
Anybody worked with this?
Al Johnson
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Al Johnson
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Minnesota USA
Member since 2/17/07
Posts: 1470
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Date: 9/28/13 9:36 PM

Picked up some Kevlar twill fabric from the scrap bin at work. Fairly heavy stuff, already sewn into a tube shape about 3 1/5" wide flat, and almost 3 feet long. I'll have to open it up to use it. The project I have in mind is oven mitts and/or potholders, with the Kevlar only on the surface facing the hot stuff. I plan to sew the Kevlar by hand, as I have some Kevlar thread to use with it that is far, far too big for any home sewing machine.

My question regards cutting this extremely strong and slippery fabric. I've got aviation style tin snips, old fashioned straight tin snips, Chicago Cutlery kitchen shears, (shudder) my good fabric cutting shears, and a new pair of short bladed Fiskars Amplify shears for thick and heavy fabrics, with "Razor Edge" blades and made for vinyl, leather, and so on. Which of these has the best chance of cleanly cutting the Kevlar twill? The fabric is thick, but loosely woven. Any advice or suggestions welcome!

And naturally, when I get around to this, there will be pictures and a report!

------
A sewing machine is just a welder for textiles.

Mc Donna
Mc Donna  Friend of PR
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Massachusetts USA
Member since 1/2/10
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In reply to Al Johnson <<


Date: 9/28/13 10:20 PM

Kevlar, as in bullet proof vest kevlar? I'm sorry I have no clue what would be best, but I don't think I'd go near it with any of my favorite fabric cutting shears. I might try the snips, though...um my husbands snips.I'd be interested to hear what does work! Rotsa Ruck!

Donna

Al Johnson
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Al Johnson
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Minnesota USA
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Posts: 1470
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In reply to Mc Donna <<


Date: 9/28/13 11:18 PM

Quote: Mc Donna
Kevlar, as in bullet proof vest kevlar? I'm sorry I have no clue what would be best, but I don't think I'd go near it with any of my favorite fabric cutting shears. I might try the snips, though...um my husbands snips.I'd be interested to hear what does work! Rotsa Ruck!



Donna

The same fiber, but a different weave. Personal armor vests are made of a tighter plain weave fabric in multiple layers. This is a looser weave twill with more drape. The looseness may make it harder to cut. I feel the same about my good fabric shears; they would be my very last resort. I bought the Fiskars short heavy shears with this in mind, and I hope they work. They sure are sharp, and have plenty of leverage, but I'm afraid the Kevlar will try to slip out before it cuts. If I have to, I'll grind tiny teeth into one blade of the Fiskars to grip the fabric so it doesn't slip.

Any other ideas folks?

------
A sewing machine is just a welder for textiles.

Rainspa

Rainspa  Friend of PR
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California USA
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Date: 9/29/13 1:16 AM

I've got EC CUTTERS, the electric scissors. The instructions say they will cut Kevlar, but I haven't put them to the test. Maybe you can tease a strand out and do some testing? There was an episode of Double Divas where they made a Kevlar corset....maybe they show them cutting the fabric?

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I'm going to Costume College!

Al Johnson
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Al Johnson
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Minnesota USA
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Posts: 1470
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Date: 9/29/13 4:57 PM

I tried out the Fiskars short shears. They work really well. Now how long they will stay sharp cutting Kevlar is a different question, but so far so good. The Kevlar does try to squeeze out the front of the blades, but just holding it in place works. Still have to try some of the other options to see if anything is better than the Fiskars.

------
A sewing machine is just a welder for textiles.

Coconuts
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Coconuts  Friend of PR
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Michigan USA
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Date: 10/1/13 6:37 PM

I would use a rotary cutter with a Harbor Freight (2 for $2) blade, not a good Olfa blade.

beauturbo
beauturbo
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California USA
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Date: 10/2/13 3:35 AM

It's kind of hard to get something single layer on a cutting mat if it's already sewn into a small diameter tube. But if it's kind of shifty, weave wise, you could stick it to something to stabilize it, and then just cut through both things. Some kind of sticky paper (embroidery stabilizer, contact paper shelf liner) that is rolled up into a tube of the same size maybe? If rolled so the sticky is on the outside, then when slipped into your pre-sewn tube and both pressed together it might stick. At least that way the weave would not be wiggling around or fraying away, while you were cutting it. Of course afterwards you would still have to peel the sticky paper off though, and even that might distort the weave on the cut edges.

Geejay
Geejay
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In reply to Al Johnson <<


Date: 10/2/13 8:20 AM

Some guy on u tube used $15 maped ultimate scissors from office supplier

allorache
allorache  Friend of PR
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Oregon USA
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Date: 10/4/13 4:08 PM

I used some Kevlar for protective vests for my dogs. I bought scissors made for Kevlar, Clauss Carbon Steel Shears from Amazon and they worked well. Here is a link:
Clauss Carbon Steel Shears

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New Ovation!! Now a Babylock girl almost all the way - Ellegante 3, Evolution, and Melody. Plus a Sailrite LSZ-1 for those heavy duty projects

Al Johnson
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Al Johnson
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Minnesota USA
Member since 2/17/07
Posts: 1470
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Date: 10/14/13 2:31 PM

Having tried out the cutters I have, I'm going with the Fiskars for now. They work better than the other things in my inventory. Those carbon steel shears with the serrated edges look interesting, but the Fiskars I have are working well.

Thanks, everyone!

------
A sewing machine is just a welder for textiles.

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