Recently I tried a mixture of 50% linseed oil and 50% white spirit which
seemed to work quite well. Does anyone know the "proper" formula, please - I
imagine there must be some sort of preservative or fungicide added.
Alec
>Something I use quite a lot - and which always seems
exorbitantly
>expensive - is teak oil. I've often wondered if it's possible to
make my
>own, but I have never managed to discover the formula.
I do not know, but it might be the oil pressed from teak wood
itself. The oil is sufficiently toxic to insects that they do not
attack the wood, which is why it is so prized. It may be mixed
with an unsaturated vegetable oil such as linseed, cottonseed or
tung. Looking at the price from Sigma, the chemical supply
company, they run at about 20 to 30 quid a litre. I think they
are prime oil, as rapeseed oil is in the same price range, and
the supermarkets seem to sell it for about 70p a litre. I think
that unless you want to buy the oils in less than 200l drums, you
are stuck with paying a fairly high price.
John Schmitt
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> In article <8b8i6k$v0h$1...@news5.svr.pol.co.uk>, "Alec Fry"
> <Al...@frya.freeserve.co.uk> wrote:
>
> >Something I use quite a lot - and which always seems
> exorbitantly
> >expensive - is teak oil. I've often wondered if it's possible to
> make my
> >own, but I have never managed to discover the formula.
>
> I do not know, but it might be the oil pressed from teak wood
> itself. The oil is sufficiently toxic to insects that they do not
> attack the wood, which is why it is so prized. It may be mixed
> with an unsaturated vegetable oil such as linseed, cottonseed or
> tung. Looking at the price from Sigma, the chemical supply
> company, they run at about 20 to 30 quid a litre. I think they
> are prime oil, as rapeseed oil is in the same price range, and
> the supermarkets seem to sell it for about 70p a litre. I think
> that unless you want to buy the oils in less than 200l drums, you
> are stuck with paying a fairly high price.
What is 'Teak Oil'?
ie, Is it a polish varnish to treat teak?
a -------"------ imitate teak?
other?
I can probably help, just need more info.
--
Big Egg
5. Don't make definitive statements or risk invoking rule 4a.
>What is 'Teak Oil'?
It an air-drying oil which can be used on oily hardwoods. it does
not provide a surface coating as such, but soaks into the wood
before curing. It is non-peeling, and water resistant, and one of
its best features is that you simply need to apply a coat a year
in exterior situations, and never have to strip back.
>ie, Is it a polish varnish to treat teak?
It is neither a polish nor a varnish. Polishes almost invariably
contain a wax of some sort, and varnishes are surface coatings
containing no extender nor pigment. The finish is a subtle sheen,
which dulls with weathering.
>I can probably help, just need more info.
A cursory search of the web indicates most manufacturers do not
specify ingredients, but one manufacturer claims to use flaxseed
oil. As my previous post pointed out, it is an unsaturated,
oxygen-curing oil. The cost is high because the ingredients are
not cheap.
=linseed oil.
Ash.
>=linseed oil.
Not the dearest of ingredients. I don't know whether teak oil would be based
on raw or boiled linseed (prob the latter) but I imagine it just has a
solvent with it to enable it to penetrate oily woods.
As the basis of most Victorian paint, linseed oil should form a good film,
though I read somewhere that it does contain minute "holes". Maybe it was
its microporous properties that have made it last so well.
Screwfix sell "Teak Oil" for 3.49 for 500ml. http://www.screwfix.com/
Aris
Sent via Deja.com http://www.deja.com/
Before you buy.
>>flaxseed oil.
>=linseed oil.
D'oh! I'll never get to grips with this transatlantic thing, will
I? Even with the advantage of having lived both sides of the
pond. :-(
John Schmitt
>Something I use quite a lot - and which always seems exorbitantly
>expensive - is teak oil. I've often wondered if it's possible to make my
>own, but I have never managed to discover the formula.
>
>Recently I tried a mixture of 50% linseed oil and 50% white spirit which
>seemed to work quite well. Does anyone know the "proper" formula, please - I
>imagine there must be some sort of preservative or fungicide added.
>
There have been some interesting replies to this question. I would
like to see anyone pressing oil from teak wood!:-)
However, as a number of people have suggested, the main ingredient is
linseed oil (=flaxseed oil, linum being latin for flax).
There is no single recipe and it varies greatly between brands.
Linseed oil polymerises by oxidation, in other words leave it out in
the open and it solidifies. It is a slow process for "raw" linseed
oil and it can take days to dry. Most people are not prepared to wait
that long for it to dry so a substance called "boiled linseed oil" is
sold. This is not boiled at all but contains chemical accelerators
that speed the oxidation/polymerisation process.
A small amount of a volatile solvent may be added but more than 20% is
not recommended. Some brands include pigments so that they darken the
wood and make inferior wood look more like teak but for treating teak
a clear oil should be used.
The main difference between linseed oil and teak oil in the shop is
price - after all if you can afford teak then you are rich!
To summarise:
If you can wait use raw linseed oil.
If you are in a hurry use boiled linseed oil.
If you have money to burn use teak oil.
PS.
On the exterior teak on my boat I use Cetol instead.
Regards,
Russell.
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