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Salt water corrosion


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Lent my mate an old bivy of mine for a spot of beach fishing. Got it out yesterday and found the zips have salt water corrosion on them and i cannot get them free.

I have tried boiling water, WD40 and have pick as much of the white bits out of the zips as possible.

Anyone got any ideas of how i can free them please, as the zips are in the closed position and thus making the bivy un-useable.

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try vinegar ,the alloy swells in the zip the vinegar "may" with a soak eat it away enough to free it

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try vinegar ,the alloy swells in the zip the vinegar "may" with a soak eat it away enough to free it
If that doesn't work try some dilute alloy wheel cleaner, or kettle descaler. Both have phosphoric acid in them. I'm a wee bit worried that the acid might rot the fabric, but you have little to lose.

The problem isn't what people don't know, it's what they know that just ain't so.
Vaut mieux ne rien dire et passer pour un con que de parler et prouver que t'en est un!
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Sometimes WD-40 can take a bit of time to do the job. Have you tried again after letting it sit for a few hours?

" My choices in life were either to be a piano player in a whore house or a politician. And to tell the truth, there's hardly any difference!" - Harry Truman, 33rd US President

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The last choice option is just cut the zips off. If you really need a zip then you can get them replaced (but might cost more than the bivvy), or just leave it without any zips.

 

Rob.

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I'm sorry but after many ,and expensive attempts to free " saltwater zips " I find it much cheaper to throw offending bag in the bin and buy a new one. Sorry but I speak the truth. B)
You are probably right on that score. The zip is probably brass and has probably become "de-zinctified" due to sacrificial corrosion.

The problem isn't what people don't know, it's what they know that just ain't so.
Vaut mieux ne rien dire et passer pour un con que de parler et prouver que t'en est un!
Mi, ch’fais toudis à m’mote

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...and this why I don't lend things to people. There's an assumption with many people that if you lend them something, you probably didn't really want it back or at least in the condition it was given.

 

Money, tackle, clothing, lawnmowers, tools etc.

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...and this why I don't lend things to people. There's an assumption with many people that if you lend them something, you probably didn't really want it back or at least in the condition it was given.

 

Money, tackle, clothing, lawnmowers, tools etc.

 

Who was it who said

 

if you lend 20 quid to a friend and never see him again it was probably a good investment :rolleyes:

Let's agree to respect each others views, no matter how wrong yours may be.

 

 

Never attribute to malice that which can be adequately explained by stupidity

 

 

 

http://www.safetypublishing.co.uk/
http://www.safetypublishing.ie/

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