March-May Saturday Gunks partner / nearly gearless beggar

I guess youd have to worry about chemicals destroying your rope annd harness if you store your shit on a pile of car batterys or under the sink with the cleaning supplies like mr.801 probably does but I don't know how you get that shit on your rope any other way. "yrah bra Ill go climbing just let me grab my harness and some slings from under these bleech cans" nobodies ever dies from cemicals on their harness but people all the time die from not knowing how to place pro and protect themeselves -only two groundfalls in the Gunks this weekend sounds normal to ME!!!! No drones when I was there. I bet mr.801 will come back and call me a moron or stupid or whatever else he does when hes got no argument and cant come up with anything else to do at work real funny mr.801 but I guess any body who disagrees with you is stupit right?!?1

Kevin Heckeler wrote:Marc, what's your source for that laundry list?

It's one of many results in a Google search:
calpaclab.com/nylon-chemica…

Google's great if you know what to search for. What are your search terms?

That list, IMHO, is useless. It really doesn't explain anything about why this or that, concentrations, etc. I'd think outdoor equipment manufacturers would have some test results online somewhere since they're one of the industries that heavily rely on nylon products. I don't see any in my results, so I obviously don't know what to look for to get scientific test type data. [results similar to CLaG's battery acid link]

Kevin Heckeler wrote:Google's great if you know what to search for. What are your search terms? That list, IMHO, is useless. It really doesn't explain anything about why this or that, concentrations, etc.

[nylon chemical resistance]

When I posted that link in another thread about blood on slings, I indicated it was a starting point - learning the specifics of particular compounds would require additional investigation. The point in this thread was merely to illustrate that a number of fairly common chemicals can indeed have a deleterious effect on nylon. Rubbing (isopropyl) alcohol frankly surprised me.

Kevin Heckeler wrote:I'd think outdoor equipment manufacturers would have some test results online somewhere since they're one of the industries that heavily rely on nylon products. I don't see any in my results, so I obviously don't know what to look for to get scientific test type data.

I'd be extremely surprised to find those kind of test results on line from manufacturers! If you do, let us know!
However, the physio-chemical properties of nylon, polyester, and polyethylene with respect to solvents is well known and easily researched. And it's not scientific test data you're looking for - it's senior level organic chemistry.

Here's another one of the over 500000 google hits:
www.newmantools.com/pipestoppers/NYLON_chem_resistance_nt.pdf

What I would be looking for requires taking the science and translating it to everyday terms, uses, and even product association (this chemical, common in this named brand thing, etc). List of chemicals with vague "moderate effect", etc isn't very useful to 99% of us. Maybe it's the effort required to put those things together that precludes the work from getting done/being put online. So we end up with vague lists like the ones that first got posted in this thread. :-/

I'd think the manufacturers would want people to know what should/should not come into contact with their life saving products.

BTW, according to this chart anti-freeze is fine. According to the chart you posted sunlight only fades and it's resistant to most oils/solvents.
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in summary:

From this and other sources, it appears that battery acid is really the only item specifically mentioned in this thread that is an epic source of failure, and (again) that's a far out scenario for it to come into contact with someone's climbing gear. Can it happen? Sure, pigs can fly. But I put my money on birds.

Although the catch-all 'cleaning solvents' includes this one item, most cleaners are not damaging to nylon... however BLEACH definitely is. This is worthy of noting as an exception.

A conclusive list we have not, so the best we have are these debunking discussions every time the subject's brought up. Joy.

Kevin Heckeler wrote: That's why I only buy used gear from climbing friends.

Paging Aleks Zebastian...

Quinn Baker wrote: Paging Aleks Zebastian...

Don't know what the reference means, but I'm definitely curious!

mountainproject.com/u/aleks…

Kevin Heckeler wrote: Don't know what the reference means, but I'm definitely curious! mountainproject.com/u/aleks…

He starts almost all of his posts with "Climbing friend!" and addresses people as "climbing friend {insert name here}"

I'm 99% sure he's just someone joking around, but his posts are always super entertaining.

Quinn Baker wrote: He starts almost all of his posts with "Climbing friend!" and addresses people as "climbing friend " I'm 99% sure he's just someone joking around, but his posts are always super entertaining.

Yeah was just reading the one about Sven. Definitely some (good) fun being had there.