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Linseed oil as anti rust treatment.
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baconsdozen



Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.

PostPosted: Mon Jan 30, 2017 10:09 pm    Post subject: Linseed oil as anti rust treatment. Reply with quote

I read in an old army engineers manual that linseed oil could be used as a preservative on metal. I like experimenting and painted a new chromed spanner with some which I then left outside for a few months.Afterwards the spanner had a dull coting which when removed with turps revealed still perfect chrome underneath.
The book also suggested dropping hot steel components into a bath of linseed to leave a black protective finish on them.
Asking around I found some other people had heard of this and some had used it with success,has anyone on here used it?
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Penguin45



Joined: 28 Jul 2014
Posts: 381
Location: Padiham

PostPosted: Tue Jan 31, 2017 1:16 am    Post subject: Reply with quote

Any Ph neutral substance with "cling" will protect a metal surface to some extent. Most natural oils have "cling" - that's why they're sticky.

P45.
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Rick
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Joined: 27 Apr 2005
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Location: UK

PostPosted: Tue Jan 31, 2017 8:56 am    Post subject: Reply with quote

A couple of people I know protect their "oily rag" vehicles with linseed oil, applied once warmed through first to help it spread.

RJ
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Bitumen Boy



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

PostPosted: Tue Jan 31, 2017 12:37 pm    Post subject: Reply with quote

I'm sure I read somewhere that the wrought iron suspension chains of Telford's Menai Bridge were preserved by being dipped in hot linseed oil - presumably in component form! Certainly boiled linseed oil can build up a nice weatherproof coating on exterior woodwork as it oxidises so it will do some good, but I think I'll stick to proper cavity and underbody waxes on my vehicles for now.
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BigJohn



Joined: 01 Jan 2011
Posts: 954
Location: Wem, Shropshire

PostPosted: Tue Jan 31, 2017 12:39 pm    Post subject: Reply with quote

Linseed oil also brings back black bumpers which have faded to grey, just don't bundle up the rags used as they can cause spontaneous combustion......
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dclf1947



Joined: 23 Nov 2007
Posts: 107
Location: Laoag City, Philippines

PostPosted: Tue Jan 31, 2017 1:34 pm    Post subject: Reply with quote

Stationary engine guys use is a lot and looking at one of their forums this was what one person said: "You require boiled linseed, not just linseed oil. It can be bought from places like Wilko. Mix it 50/50 with white spirit. Apply with a brush, but brush it out very thin because it will run and pool at the bottom. It takes several days to start to dry, and weeks to be fit to handle - so don't be in a hurry!"
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baconsdozen



Joined: 03 Dec 2007
Posts: 1119
Location: Under the car.

PostPosted: Wed Feb 01, 2017 11:54 am    Post subject: Reply with quote

Bitumen Boy wrote:
I'm sure I read somewhere that the wrought iron suspension chains of Telford's Menai Bridge were preserved by being dipped in hot linseed oil - presumably in component form! Certainly boiled linseed oil can build up a nice weatherproof coating on exterior woodwork as it oxidises so it will do some good, but I think I'll stick to proper cavity and underbody waxes on my vehicles for now.

In the same book they talk of dipping iron components in linseed when they have been heated saying that it leaves a black coating that resists corrosion.
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