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  #11  
Old 08-19-2017, 09:18 AM
MGMShooter MGMShooter is offline
 
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Quote:
Originally Posted by BuddyBGood View Post
So how do you know when and if it has gone bad?
First, I want to make sure you know we are talking about 100% tung oil and only 100% tung oil -- not the garbage at Home Depot which is (mis)labeled as tung oil*. It is hard to find pure tung oil in a place like that.

As GreekHXP said, the odor will be bad. Good tung oil has a nutty scent, so if the odor is off, the oil is bad. Another sign is a "skin" on the top, or suspended particles. It may be either or both.



* The junk from HD is usually tung oil with solvents and drying catalysts. Cutting tung oil with mineral spirits or the like before applying is common and OK to do, but it is best to cut only what you will be using.

Take heed: Cloth with linseed or tung oil on them are notorious for spontaneous combustion!!! When I was done with each coat application during my last project, I burned the application cloths, which BTW, were 100% cotton tshirt scraps.
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  #12  
Old 02-15-2018, 07:58 AM
snake-eye snake-eye is offline
 
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I have used a propane torch to displace the air in the container and then put the cover back on.
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  #13  
Old 02-15-2018, 12:59 PM
MGMShooter MGMShooter is offline
 
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Originally Posted by snake-eye View Post
I have used a propane torch to displace the air in the container and then put the cover back on.
That sounds rather hazardous!
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  #14  
Old 02-15-2018, 05:40 PM
snake-eye snake-eye is offline
 
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No more volatile then tung oil. A quantity of tung oil soaked rags in a pile may self ignite.
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  #15  
Old 02-15-2018, 06:12 PM
MGMShooter MGMShooter is offline
 
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Quote:
Originally Posted by snake-eye View Post
No more volatile then tung oil. A quantity of tung oil soaked rags in a pile may self ignite.
I was kiddin' because I had this image of firing a lit torch into a bottle of tung oil.
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  #16  
Old 02-15-2018, 06:26 PM
Shomway Shomway is online now
 
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Quote:
Originally Posted by MGMShooter View Post
I was kiddin' because I had this image of firing a lit torch into a bottle of tung oil.
I had the same image in my mind....
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  #17  
Old 02-16-2018, 07:00 AM
snake-eye snake-eye is offline
 
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Lol
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  #18  
Old 03-06-2018, 01:41 AM
siopao46 siopao46 is offline
 
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Default How to preserve pure tung oil

When I buy a quart of pure tung oil I pour the whole quart into several 6oz bottles all the way to the top.This process will forge all the air out. In this case you are only working with a small amount at a time and the rest of the small 6oz bottles will stay fresh for a long time.The secret you got to work fast while filling the 6oz bottles.
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  #19  
Old 03-06-2018, 02:07 AM
GGaskill GGaskill is offline
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If you can find a source of carbon dioxide, run that into the can/jar to displace the oxygen. And it is nonflammable.
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  #20  
Old 03-06-2018, 12:30 PM
FLD FLD is offline
 
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Would argon gas work?
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