JB Weld and resistance to chemicals

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JB Weld and resistance to chemicals

Postby ScottishBoy » Tue Nov 03, 2009 8:11 am

Hi Guys,
I just got off the line with the folks at JB Weld after reading through their material data sheets. They say that once the product is fully cured ( as per directions) it will remain chemically inert untitl the weld reaches its upper temperature range. I specifically mentioned butyl, methanol , ethanol and some of the other "lovelies" we can encounter. The folks at JB Weld assure me that they will remain chemically and temperately inert until they approach the materials destruction point. The JB Weld product will resist temperatures up to 500 F, while the stick and quick weld will resist up to 300F. They said if I wanted to feel safer about it, I could use the Marine weld which is specially formulated to resists salts and acids, but that the regular compound would work for nearly anything.

I was wondering if anyone has used this to any resolve. Im still liking my soldering, but I was wondering about this. ;)

SB
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Re: JB Weld and resistance to chemicals

Postby theholymackerel » Tue Nov 03, 2009 9:50 am

It's gonna take more than their say so to make JB weld fly around here.

Post a scientific study showin' that JB weld leaches NADA into hot alcohol vapour or liquid and we can talk about it more. Until then...
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Re: JB Weld and resistance to chemicals

Postby ScottishBoy » Tue Nov 03, 2009 11:13 am

I fully agree. I was just wondering if anyone had ACTUALLY pursued this line of thought and asked them to produce proof. I will get in touch with them and see if I can get their HAZMAT documentation.
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Re: JB Weld and resistance to chemicals

Postby ScottishBoy » Tue Nov 03, 2009 11:57 am

Well call me a witch and burn me at the stake...
http://www.sciencenews.org/view/generic ... ue_to_grow

Apparently Bisphenol-A is one of the major components in the resin compound in JB Weld.
Think Im sticking with simple silver solder and pressure couplings. Gonna wear gloves when working with stuff from now on too.

Mackeral, I can definitely tell you that JB Weld would not leach NADA...but as for other chemicals...;)

Thanks for indulging me. If I find any other seriously harrowing news about it, I will post it up so we can have definite references.

SB
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Re: JB Weld and resistance to chemicals

Postby theholymackerel » Wed Nov 04, 2009 8:42 am

ScottishBoy wrote:Mackeral, I can definitely tell you that JB Weld would not leach NADA...but as for other chemicals...;)


Sorry, we all speak Spanglish here in the mountains of Northern New Mexico... nada just means "nothin' ".
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Re: JB Weld and resistance to chemicals

Postby ScottishBoy » Wed Nov 04, 2009 10:14 am

theholymackerel wrote:
ScottishBoy wrote:Mackeral, I can definitely tell you that JB Weld would not leach NADA...but as for other chemicals...;)


Sorry, we all speak Spanglish here in the mountains of Northern New Mexico... nada just means "nothin' ".


Probabaly should have been written like so...

<dry/geek humor>
Mackeral, I can definitely tell you that JB Weld would not leach NADA...but as for other chemicals...
</dry/geek humor>

I know it means nothing...;)
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