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Thread: Tung Oil

  1. #1
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    Tung Oil

    Tung Oil seems to be a touchy subject over on another website, so much so that a lively discussion about it, with a couple of posters unable to substantiate their negative points for the product, that i guess they had to rally behind the moderator and have it closed.

    Seems to be a hidden agenda re Tung Oil over there.

    There are several other hidden agendas on that site, maybe they should be a little more forthcoming in their information sharing.

    Its a good site full of good info, so use it as you wish. Although don't bag the locally connected and i might add....crapiest lawyer I have ever had the pleasure of dealing with.....or you will get their temperatures raised also.

    So, the Tung Experiment, I have commenced it at the plantation and I love the look it gives to the wood, very rich colour and brings out the grains.

    I have only given one post a trial run of 2 coats, shall keep the pics coming here and in Plantation as they are completed.

    Also there was a poster over on the CTH site which commented on using Bamboo and Tung successfully, would love your input here as there are at least 3 people wanting to know about it and Bamboo....

    Checkout the pics here...

    http://teakdoor.com/construction-in-...ml#post1173351 (Survivor Plantation....Part II...the second bit)
    I like poisoning my neighbours dogs till they die cos I'm a cnut

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    Thanks for the info, looking forward to trying it myself. Would be interested to learn about natural thinners. We have lots of lime and Som-O trees, maybe we could make some ourselves?

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    How do you make thinners from lime trees ??

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    Another thing.....On the weekend we bought 4 kilo's of 100% beeswax for the final coat.

    Not 1005 sure as yet on the mix ratio, but it is double boiled and mixed with the tung oil for the last and final coat. Gives it a nice hard coating and probably a shine, although I dont want a shine, so need to experiment a bit.

    Hope the CTH poster with experience on this pops over and chimes in.

    All my highly provocative posts on CTH deleted....knobs....funny how they think a guy who thinks Conwood looks like real wood and is a better alternative...

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    Quote Originally Posted by Nawty View Post
    How do you make thinners from lime trees ??
    I have no idea, don't know if it's possible at all. I've just read about these things called 'citrus thinners' that are a natural alternative to oil based ones. They've available in the West. I figured limes are citrus so maybe they could be used.

    Another one I've heard of is eucalyptus based thinners.

    Tung oil, with beeswax and a natural thinner sounds like a great combination.

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    Citrus Thinners

    Great idea Smithson, understand that Citrus(Orange) thinner is made from orange peel. Am looking into how its made and will pass you the info for your trial?

    Will probably be a good one if you can do it from Som O

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    Hi Nawty, you posting mofo! Keep it up, you're becoming LOS's new poster boy for sharing info. Well done...Thought I gave you the ratios for wax/tung/thinner b4...Best to do multiple coats of the bw/to/th(inner) mix, even mae sak teak will soak it up. The longer you wait between coats the better, (within reason-waiting years between coats is not what I meant). If you can cool your jets enough to wait 2 or 3 days between coats, it allows the wood to really soak up the mix, wastes less of the mix. Use more to/th in the earlier coats, increasing bw for each successive coat. How much of each to use will really depends on the kind of wood, it's age, how many coats of to/th have already been applied, how long you're waiting between coats, humidity/weather ( i.e. monsoon rains will slow down the curing process),
    The ratio:
    1 pint tung oil, 1 pound beeswax, 1 pint mineral spirits (gum turpentine a far superior thinner, but hard to find here, IME.) This stuff is very, very forgiving, so you can easily err on either side of adjusting the amount of each ingredient. You mentioned that you don't want a high gloss, so, just let the mix dry for a few days without wiping off, let the wood drink it up, then don't buff it! No shine.
    For upkeep, mix ms/ melted bw at 1:6, pour into a big (empty) tuna can, store with a plastic lid. Just use like a furniture polish.
    Cheers

    Quote Originally Posted by Nawty View Post
    Another thing.....On the weekend we bought 4 kilo's of 100% beeswax for the final coat.

    Not 1005 sure as yet on the mix ratio, but it is double boiled and mixed with the tung oil for the last and final coat. Gives it a nice hard coating and probably a shine, although I dont want a shine, so need to experiment a bit.

    Hope the CTH poster with experience on this pops over and chimes in.

    All my highly provocative posts on CTH deleted....knobs....funny how they think a guy who thinks Conwood looks like real wood and is a better alternative...

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    Thanks TM....again.

    Now I just have to convert pints to litres and pouns to kilo's.

    So from what you say....the final final coat.....is still a mix of thinners, somewhat less though.

    I thought the last coat was Tung Oil and BeesWax only ??

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    Nothing is written in stone, muchacho, the last coat can have thinners, or not. Remember, the thinner helps the mix sink into the wood, which is what you want, as opposed to "sitting up" on top of the wood. As I add coats to the wood, I add less and less thinner with each successive coat. Soft, or porous wood doesn't need as much thinner, closed grain, and/or hardwoods need a bit more to help the absorbancy. The type of thinner you use has a lot to do with the decision as to use thinner in the last coat(s). A natural type of thinner is safer to have in the last coat(s), a toxic petro product might not be desirable for the last coat(s), unless it's for people who like that sort of thing. (hehehe, no names mentioned). So, lots of if/thens. Vague answers like these might make it seem like my background was law, but it wasn't, I swear, I'm no Philistine!

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    I understand it all now having tried the Tung over last week or so, makes perfect sence.

    I used the thinners recommended by Thorzen and used it at 1:1 and then decreased it as more coats done, less thinner.

    I will no doubt do a trial run first with the last coat in an area not visible to the public and see how it works with 1:1 tung oil and beeswax and other mixes.

    Our wood is old and hard, lots of thinners and lots of coats to get it in there and soak it up deep deep deep.

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    That's the ticket Nawty, let it soak it up. For any areas that get direct sun during the hot part of the day, for more than a few hours, a final coat of only tung and wax may be a good idea, so it will "sit up" on the wood a bit more, for maximum UV absorption. The thing about the last coat sitting up on the wood, is it may not show the grain as beautifully, as it would if the last coat is thinned. So if you do use a last coat sans thinner, but prefer the look it had before, then just rub that last coat into the wood well, and every 6-12 months, slap another coat on in those hot sunny spots, to maintain that perfect look.
    I'm with you, I love how the grain really pops, yet is so natural looking. Beautiful stuff....
    TM

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    Have you had any experience with it and Bamboo ??

    Cannot find the post now on CTH from the poster that said he had success with it.

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    thaimat..is thaimic on c.t.h..

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    I have a bamboo project I'm about to use to/th/bw on, but haven't applied it yet. That will take a bit of time, in order to see how the bamboo wears with the mix on it. I'm duplicating fruit drying racks that I built before, without any coating on the bamboo, so I will be able to tell if the mix really improves it, as I believe it will. These are big racks that sit in the direct sun, so keeping the bamboo from drying out, and preventing UV damage, is the first goal. Second will be bug resistance. I know of people who have tried everything here, for treatment of bamboo to be bug resistant: salt water soaking, boric acid soaking, kiln drying, etc. None of those methods worked for long. So, we'll see...
    TM

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    Quote Originally Posted by thaimat
    1 pint tung oil, 1 pound beeswax, 1 pint mineral spirits
    Quote Originally Posted by Nawty
    Now I just have to convert pints to litres and pouns to kilo's.
    yeah, difficult, but not too important

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    hey Nawty from the pics on yr Plantation post the wood is coming up nicely with the tung oil. What sort of wood is it to start with (sorry the bee pics prevented me from reading back as my computer was so slow loading them!)

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    Dheng and Daeng....dheng is a yellowish hardwood and daeng redwood.

    Although, having both now, it is pretty hard to tell the difference of some of them.

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    May I suggest Thorzen starts a couple of 'experiments' on their research plot.

    1. Take several pieces of termite loving wood, young teak is good, coat in varying coats of tung and thinners, some all the wood, others just half and place it all on a termite mound and see what happens.

    2. As above and conduct fire resistance tests.

    3. Place some electrical cable in the stuff and see if it gets eaten through by the oils at all.


    Any more ??

    I started the termite one on the weekend at the Plantation.

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    Another question is....

    How do you get a lighter finish ?

    I read that using less oil and more thinners each time gives a light coloured finish, but i have not found this to be so yet.

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    im pretty certain your not going to make it lighter,a good test of what colour a wood will be when oiled, is to wet it. finger is suffice.
    will always be darker.

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    Will do some experiments next month when it is less wet on the projects we will be building on our main farm.

    Stopped at several factories along our travel, whenever we come across slaes of bamboo or wooden stuff. The traditional methods to treat either freshly cut wood or bamboo is to soak them so that the insects living in them dies, then smoke them after suning them for a few days. But the lifespan of each itme depends on the what species the bamboo is, learnt that there are +2600 species of bamboo. As we all know, there are many different kinds of wood.

    What I am thinking of is to follow their method, then either soak or paint in the Tung formula and dry them before we use them and see if their lifespan will be longer.

    We bought some teak planks, not expensive as they only 8"wide x 8-10ft long, light coloured as they are from young trees. We found that bugs were always crawling on them so we put them into the pond for a few days and dry them out after a few days. When the wood were dried, the bugs were gone.

    Will have to see what to do about the termite test Nawty mentioned as we don't have much termites on our red clay farm.

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    Have located some citrus/gum turps if anyone interested....its not cheap at around 180b a litre....but if any die hards are interested, let me know.

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    Quote Originally Posted by Nawty View Post
    Have located some citrus/gum turps if anyone interested....its not cheap at around 180b a litre....but if any die hards are interested, let me know.
    I'm a die hard, interested to hear.

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    I ordered 5k baht worth, not sure how many litres i will end up.

    You can have some if ya want....experimenting with it on stone now

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    citrus/gum turps

    Quote Originally Posted by Nawty View Post
    Have located some citrus/gum turps if anyone interested....its not cheap at around 180b a litre....but if any die hards are interested, let me know.
    I'm interested, can you give us some more info on it, such as brand, etc? Thanks Nawty

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