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Jenolite or other modern rust converters.
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Ellis



Joined: 07 Mar 2011
Posts: 1382
Location: Betws y Coed, North Wales

PostPosted: Fri May 18, 2018 8:09 pm    Post subject: Jenolite or other modern rust converters. Reply with quote

I have had a white plastic bottle of the old Jenolite on my shelf for years and this week I had cause to use it.
It was nothing to do with cars but to treat some old imperial size manhole covers which were very rusty on the surfaces.

The "old" Jenolite worked well and converted the rusty covers to a surface suitable for repainting.

I presume the Jenolite I used is no longer available but can you please tell me if the modern equivalent is as good as the old or can anybody recommend another make or type which is effective.

The only available alternatives I saw in hardware shops today were labelled Hammerite.

Thank you.
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peter scott



Joined: 18 Dec 2007
Posts: 7113
Location: Edinburgh

PostPosted: Sat May 19, 2018 1:19 am    Post subject: Reply with quote

Someone on another forum was extolling its virtues recently but I must say I was never very convinced by it in the past but it's still for sale on eBay.
https://www.ebay.co.uk/itm/Jenolite-Jelly-Rust-Remover-40g-DIRECT-FROM-JENOLITE-UK-LTD/263508145731?epid=2034763640&hash=item3d5a4f3643:g:OJsAAOSwEW9ai~4a
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lowdrag



Joined: 10 Apr 2009
Posts: 1585
Location: Le Mans

PostPosted: Sat May 19, 2018 5:47 am    Post subject: Reply with quote

3 in 1 have a rattle can for that now, although it seems more like a waxy protection than a converter.
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ukdave2002



Joined: 23 Nov 2007
Posts: 4100
Location: South Cheshire

PostPosted: Sat May 19, 2018 8:00 am    Post subject: Reply with quote

Jenolite was and still is a phosphoric acid based rust converter, it's an expensive way of purchasing phosphoric acid, but convenient in the jelly form and of course no risk of splashing.

Dave
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alastairq



Joined: 14 Oct 2016
Posts: 1950
Location: East Yorkshire

PostPosted: Sat May 19, 2018 8:32 am    Post subject: Reply with quote

I can remember using liquid Jenolite to clean the gas plug on my SLR....[best not to forget the thing is soaking, either!!]

Smile
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Kleftiwallah



Joined: 27 Oct 2016
Posts: 222
Location: North Wiltshire

PostPosted: Sat May 19, 2018 11:26 am    Post subject: Reply with quote

As I have said before Alasairq, I dismantled two carbs from the Bonnie I was restoring, popped the bits in phosphoric acid "just to give tham a couple of minutes".

The following day... all there was left in the botton of the container was a grey sludge!

(I learnt about restoration from that)

Cheers, Tony. Very Happy
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Bitumen Boy



Joined: 26 Jan 2012
Posts: 1733
Location: Above the snow line in old Monmouthshire

PostPosted: Sat May 19, 2018 11:43 am    Post subject: Reply with quote

ukdave2002 wrote:
Jenolite was and still is a phosphoric acid based rust converter, it's an expensive way of purchasing phosphoric acid, but convenient in the jelly form and of course no risk of splashing.

Dave


A good substitute for the jelly type is to soak the cheapest phosphoric acid you can get into cheap tissue paper laid onto a vertical panel or whatever. Laying it on with a brush in a similar way to how you might build up fibreglass with resin gives surprisingly good results. Works a treat for a fraction of the cost!
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Ellis



Joined: 07 Mar 2011
Posts: 1382
Location: Betws y Coed, North Wales

PostPosted: Sat May 19, 2018 5:48 pm    Post subject: Reply with quote

Thank you all for your replies gentlemen.

You learn something new every day - I didn't know that Jenolite is merely
phosphoric acid and that is precisely what I will now buy.
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Bitumen Boy



Joined: 26 Jan 2012
Posts: 1733
Location: Above the snow line in old Monmouthshire

PostPosted: Sat May 19, 2018 8:21 pm    Post subject: Reply with quote

It's a few years now since I bought any but one of the best options for buying phosphoric acid used to be "milkstone remover" from the farm suppliers.
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MrWhite



Joined: 09 May 2017
Posts: 105

PostPosted: Sat May 19, 2018 11:14 pm    Post subject: Reply with quote

I have sen Jenolite for sale and wondered if it was any good but I haven't tried it. I have used some of the "Bilt and Hamber" stuff; https://www.bilthamber.com/ not long enough ago to be able to say it's wonderful or anything but it seems good and they seem like a good company who are genuinely trying to make good quality products, so worth a look. Give me 5 years or so and I may be able to write a review Laughing
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