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Linseed Oil
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ukdave2002



Joined: 23 Nov 2007
Posts: 4240
Location: South Cheshire

PostPosted: Mon Jul 24, 2023 5:56 pm    Post subject: Linseed Oil Reply with quote

I did a bit of woodworking over the weekend and used some Linseed Oil, the smell took me back to my Dads garage, I think he used to wipe all his tools down with Linseed Oil to protect them?

I may be imagining this ! or is it a known way to prevent rust?

Dave
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V8 Nutter



Joined: 27 Aug 2012
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PostPosted: Tue Jul 25, 2023 1:43 pm    Post subject: Reply with quote

With the current trend for the "Patina" look apparently boiled linseed oil is the way to stop rust spreading.
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BigJohn



Joined: 01 Jan 2011
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PostPosted: Tue Jul 25, 2023 6:40 pm    Post subject: Reply with quote

V8 Nutter wrote:
With the current trend for the "Patina" look apparently boiled linseed oil is the way to stop rust spreading.

It also brings back the black on plastic bumpers that have gone grey, but it needs using sparingly as it goes sticky.
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Bitumen Boy



Joined: 26 Jan 2012
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PostPosted: Sat Sep 09, 2023 4:39 pm    Post subject: Reply with quote

I believe linseed oil was more for the wooden parts of the tools, particularly when planes had wooden bodies as a matter of course. The metal parts tend to be protected by the oil used to lubricate the sharpening stone, which is one reason it's good practice to sharpen your tools before putting them away. An oily rag is, of course, a vital accessory to the oilstone to wipe up the inevitable surplus... Smile
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Penman



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PostPosted: Sat Sep 09, 2023 4:56 pm    Post subject: Reply with quote

Don't use THAT oily rag for your oily rag bodywork, it is probably loaded with carborundum dust
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Bitumen Boy



Joined: 26 Jan 2012
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PostPosted: Sun Sep 10, 2023 8:32 am    Post subject: Reply with quote

Penman wrote:
Don't use THAT oily rag for your oily rag bodywork, it is probably loaded with carborundum dust


Yes, that would be a mistake!
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Vintage Fly Guy



Joined: 27 Jun 2024
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PostPosted: Thu Jun 27, 2024 4:25 pm    Post subject: Reply with quote

A 50/50 mix of boiled linseed oil (no need to boil it, buy it ready boiled) and white spirit is sometimes used by vintage agricultural machinery and stationary engine restorers to preserve and bring out the colour of well worn/oxidised original paintwork on 'oily rag' type restorations. It also seeps well into surface rust, forming a barrier with the air, stopping/slowing the corrosion process. Apply lightly though, as a little goes a long way.

However, there are a couple of downsides to using the boiled linseed oil treatment;

Firstly it takes a couple of weeks or so for two light coats to dry and stop being sticky (so don't apply it if there are lots of small flies around!)

Secondly, a word of warning; cloths or rags that have been covered in linseed oil have been known to spontaneously combust and burst into flames a few hours afterwards!

So if you want to avoid burning down your garage/workshop/house, then safely burn any contaminated rags or cloths outdoors immediately after use, and don't forget about them and leave them scrunched up on the work bench or chuck them in the bin in case they start smouldering and/or burst into flames. I also dispose of any brushes I've used to apply linseed oil to be on the safe side too.

Please note, this is not an old wives tale, it's a very real danger; I once knew a joiner who told me that he nearly burned someone's new kitchen down as he forgot to safely dispose of a linseed oil soaked rag, and had left it on the sink before going home! Fortunately, it had just smouldered rather than bursting into flames, but had covered the room in a sooty film by morning! So do be careful if using the stuff.
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bjacko



Joined: 28 Oct 2013
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Location: Melbourne Australia

PostPosted: Fri Jun 28, 2024 7:44 am    Post subject: Linseed Oil Reply with quote

I use a product called Black Chrome Polish to do black plastic bumpers etc.
Works very well and lasts a long time even in our sunshine.
Some people used to use 3 in 1 oil to protect chrome and metal.
In England I used to use a reddish lanolin liquid on my chrome during winter to protect against the salt etc on the roads.
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peter scott



Joined: 18 Dec 2007
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PostPosted: Sun Jun 30, 2024 4:10 pm    Post subject: Reply with quote

I've been using boiled linseed oil for years on my old car and also my old television. It really brings out the figuring of the wood on old French polished items.



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Rick
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PostPosted: Mon Jul 01, 2024 2:39 pm    Post subject: Reply with quote

I did the old pickup with boiled linseed oil just the other day, a very thin coat of which dried after 2-3 days or so in the warm garage.

RJ
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alastairq



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PostPosted: Mon Jul 01, 2024 5:43 pm    Post subject: Reply with quote

Does it go sticky again in very warm weather?
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peter scott



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PostPosted: Mon Jul 01, 2024 9:03 pm    Post subject: Reply with quote

No, it hardens with time. It doesn't take long to just have the feel of the original.

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Bitumen Boy



Joined: 26 Jan 2012
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PostPosted: Tue Jul 02, 2024 6:49 am    Post subject: Reply with quote

Vintage Fly Guy wrote:
A 50/50 mix of boiled linseed oil (no need to boil it, buy it ready boiled) and white spirit is sometimes used by vintage agricultural machinery and stationary engine restorers to preserve and bring out the colour of well worn/oxidised original paintwork on 'oily rag' type restorations. It also seeps well into surface rust, forming a barrier with the air, stopping/slowing the corrosion process. Apply lightly though, as a little goes a long way.

However, there are a couple of downsides to using the boiled linseed oil treatment;

Firstly it takes a couple of weeks or so for two light coats to dry and stop being sticky (so don't apply it if there are lots of small flies around!)

Secondly, a word of warning; cloths or rags that have been covered in linseed oil have been known to spontaneously combust and burst into flames a few hours afterwards!

So if you want to avoid burning down your garage/workshop/house, then safely burn any contaminated rags or cloths outdoors immediately after use, and don't forget about them and leave them scrunched up on the work bench or chuck them in the bin in case they start smouldering and/or burst into flames. I also dispose of any brushes I've used to apply linseed oil to be on the safe side too.

Please note, this is not an old wives tale, it's a very real danger; I once knew a joiner who told me that he nearly burned someone's new kitchen down as he forgot to safely dispose of a linseed oil soaked rag, and had left it on the sink before going home! Fortunately, it had just smouldered rather than bursting into flames, but had covered the room in a sooty film by morning! So do be careful if using the stuff.


A couple of things I would like to add here...

Definitely buy linseed oil ready boiled, as boiling it yourself is not safe. For such a viscous liquid the flash point of linseed oil is surprisingly low, only just above the temperature at which the stuff will boil. On a commercial scale the risk is easily managed; in your kitchen itś a bad idea.

The spontaneous combustion thing definitely should be taken seriously, I saw something on youtube not long ago where they experimented with linseed oil on cloths placed in dustbins - they had at least a dozen bins with various scenarios, and most of them did, in fact, spontaneously combust. Burning the rags outdoors straight away is a good idea, although stuffing them into an airtight and non combustible jar can work if you want to save them for later.

I have used brushes for linseed oil and cleaned them with complete success, the same way as I would for oil paint - a good clean with white spirit, shake out, then a good wash with soap and water. In fact I have mixed my own paint with a linseed oil base, but thatś another story...
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