De-Rusting With Treacle

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De-Rusting With Treacle

Postby Panky » Wed Aug 03, 2016 5:09 pm

Now I hope some of you might think this is a top tip :)
I've heard about removing rust with molasses so I thought treacle is molasses isn't it? I just happened to find a couple of out of date tins at the back of the kitchen cupboard during a clear out so I thought.........

Rusty bits. A Commer door bottom repair off-cut, the old bolts off Ted's rear panel and a cast iron water valve cover I dug up out of the garden.

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I put a tin of treacle into just over half a bucket of warm water and placed the test pieces in.

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After a day the steel sheet was sowing promise

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After a week it's still working

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After three weeks it only bloody works :)

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Even the rust in the pitting had gone.

The other bits showed signs of improvement too, this is just after a quick hose down.

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The cast iron still has some crust left on it but it's definitely improved

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I'll leave it in for another couple of weeks and see what happens, the liquid seems to be getting pretty lively now but it's started to smell a bit like sweaty socks :oops:
So if your in no rush get yourself to the back of the larder and nick that tin of treacle that was supposed to go into a Christmas cake ten years ago, and the only other thing you need is a container big enough to put your rusty bits in :D
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Re: De-Rusting With Treacle

Postby Big Jim » Wed Aug 03, 2016 5:51 pm

Good experiment . I will need more treacle . Could I apply it neat to the floor and use it to glue down the carpets ?
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Re: De-Rusting With Treacle

Postby Panky » Wed Aug 03, 2016 6:11 pm

You could but it might end up going frothy and smelling of sweaty socks ;)
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Re: De-Rusting With Treacle

Postby Custard » Wed Aug 03, 2016 7:18 pm

Top tip, I must have been off school that day, I never twigged treacle was the same stuff as molasses.

Just need a trough instead of a bucket, then could do axles and leaf springs.

Wonder if in date stuff works any better :D

My brother has done small stuff like windscreen wiper motor covers in an old chinese tub with malt vinegar.

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Re: De-Rusting With Treacle

Postby Panky » Wed Aug 03, 2016 7:56 pm

Trouble is every time hr turned the wipers on it smelled like chips :D Better than sweaty socks though
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Re: De-Rusting With Treacle

Postby Panky » Thu Aug 11, 2016 9:01 am

I've declared the experiment a success and poured the fluid away - couldn't stand the smell any longer :roll:

Results after a month but it took a while for it to really get going, I would suggest a lidded container out of the way for serious use so the stench wont offend anyone :oops:

The deep pitted rust on the bolts had been completely dissolved and the other test pieces also came up well including a couple of things I'd forgotten I put in the bucket.
After a quick clean up you can see on the horn cover where some paint had shielded the rust underneath and flash corrosion had started so it's essential that components are treated immediately after.
So in summary, a very gentle process that works on exposed rust that is cheap, efficient, relentless and smelly :)
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Re: De-Rusting With Treacle

Postby Plin » Thu Aug 11, 2016 11:49 am

:D Looks like it worked a treat on the rusty parts (but think I will keep my black treacle safely hidden from hubby as it also works a treat in the Christmas cake!)
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Re: De-Rusting With Treacle

Postby Panky » Thu Aug 11, 2016 11:52 am

And toffee apples :D
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Re: De-Rusting With Treacle

Postby ruairidh » Thu Aug 11, 2016 6:26 pm

Wow :shock: :o that is unreal.
What a cheap way of removing rust.
I might try this with a couple of headlight buckets. :)
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Re: De-Rusting With Treacle

Postby Panky » Thu Aug 11, 2016 7:02 pm

Just put it somewhere well ventilated ;)
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