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ExtremTextil 20d vs 40d silnylon

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Kai Harris BPL Member
PostedJul 28, 2015 at 12:18 pm

Hello, longtime lurker & first time poster.

I’m talking myself in circles trying to decide if I should use the 20d or the 40d SilNylon from ExtremTextil for the below projects. My concerns are durability, how waterproof the fabric is, and of course weight. The 40d is rated at 3500mm HH & 17.8 kg tear strength. The 20d is rated at 2000mm HH & 9.2 kg tear strength. I’ve read enough “high quality silnylon” threads here to understand that ExtremTextil’s fabric should meet its rating but would love confirmation or advice from folks with experience.

1. shaped tarp – similar to 4 yard shelter. Weights for 4 meters of fabric are 7.8oz for 20d vs 11.5oz for 40d.

2. poncho, 108″ x 59″. Weights for just the fabric (and not including hood) are 4.5oz for 20d vs 7.9oz for 40d.

The weight savings for 20d is highly tempting but how durable is it? The poncho in particular I’m concerned with snagging.

Usage pattern is 3 season in Northern CA & Sierra’s, 3-5 trips a year. Currently planning a trip in November, which is the impetus for some more rain gear. Not much off-trail hiking, though some trails are narrow enough to snag and I don’t want to be limited in trail choice by concerns with ripping holes in the poncho.

Appreciate any advice!

Cheers,
Kai

Roger Caffin BPL Member
PostedJul 28, 2015 at 3:14 pm

20D for up in the air, 40D for groundsheets.
I worried about ponchos tearing on bushes, but in the field in the rain they slid over the scrub very easily. Never had a single tear.

But MYOG is partly about finding out what works anyhow.

Cheers

Kai Harris BPL Member
PostedJul 28, 2015 at 9:24 pm

Thanks Ivo and Roger, 20d it is. No hiding with the yellowish/goldish sand color!

PostedJul 29, 2015 at 1:30 am

Kai,

I give some extra doubts.
I learned that the color influenced UV resistance.
I chose a darker color
Why buy in Europe?
Good experiences with thru hiker silnylon. (color: coyote brown)
It’s 30D I think

coyote brown

Kai Harris BPL Member
PostedJul 29, 2015 at 1:07 pm

Hey Ivo,

Good question on Europe, pricing compares favorably to Thru-Hiker or the LightHeart Gear sil even with shipping and it opens up the 20D option, which is great.

I did a little more reading on UV and color based on your suggestion. I'm not terribly concerned about it, by the time there is substantial UV damage I'll probably want to make a new/improved version anyway.

Cheers,
Kai

PostedJul 31, 2015 at 10:55 am

I recently sent samples of both to a longtime BPL member to test. He should have some test results posted soon.

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