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 Post subject: Strip old Tung Oil from Cabinet
PostPosted: Feb Fri 07, 2020 10:02 am 
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Joined: Jan Tue 07, 2020 1:41 am
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Location: Fenton, MI 48430
What would I use removing old Tung Oil?

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Fri 07, 2020 5:27 pm 
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jimbenedict wrote:
What would I use removing old Tung Oil?
Tung oil is tough! It is the base in varnishes that cure by polymerization. It penetrates deeply into porous materials even cast iron, used to seal the interior of engine blocks :shock: .

Most effective is to break the polymer chains is a blend of Methylene chloride, xylene and alcohol. This type of petroleum solvent blend is available in 5F5. By shifting the formula around weaker paint removers can be made, generally these are graded by "how many layers" of paint it can remove. Generally, the more expensive of the solvent is needed for a heavy duty application.

Most solvent paint removers will extract the wood filler.

Most finished wood after many years oxidizes, under the finish, so the color and clarity of the grain will be muddy. Very lightly sanding the surface will remove the dead wood and bring out the color. So the refinishing process can begin...

May have noticed that there are some fine veneers and marquetry in radio cabinets. Be aware there are fake printed grains that are destroyed with paint remover :roll:

YMMV

Chas

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Fri 07, 2020 6:18 pm 
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Location: Fenton, MI 48430
Where can I buy 5F5? All suppliers I checked on line are out of stock.

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Fri 07, 2020 7:21 pm 
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I am sorry Jim, I did not known 5F5 has gone away, solvent restrictions...

I have sent a PM with more stripper details.

The Savogran site, manufacturer of the former 5F5 has the information.

https://savogran.com/index.html

GL

Chas

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Fri 07, 2020 7:36 pm 
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Location: Fenton, MI 48430
Which product would you use for removing Tung Oil? The issue using Tung Oil that no one tells you is it dulls after 6 months. Never use Tung Oil on a radio cabinet.

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Mon 10, 2020 10:39 am 
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Location: Nr London, England, SS1 3PT
Or Danish oil :)

Gary


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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Tue 11, 2020 1:57 am 
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Location: Fenton, MI 48430
I read lacquer is good if the Tung oil is not too old.

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Sat 29, 2020 6:32 pm 
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320 views and no one knows how to remove Tung oil?

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Feb Sat 29, 2020 6:40 pm 
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Savogran did not work for you?

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Mar Tue 03, 2020 4:09 am 
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Location: Fenton, MI 48430
Chas wrote:
Savogran did not work for you?

I have not tried anything yet waiting on replies. 5F5 has been removed from the market.

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Mar Tue 03, 2020 5:57 am 
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jimbenedict wrote:
Chas wrote:
Savogran did not work for you?

I have not tried anything yet waiting on replies. 5F5 has been removed from the market.
Try an email to Savogran and explain the job you need to do...

Chas

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 Post subject: Re: Strip old Tung Oil from Cabinet
PostPosted: Mar Tue 03, 2020 7:40 am 
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A quick question:

How do you know its tung oil?


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