Non-toxic finishes: by Masters Blend

Natural oil finish selection. All natural with no petroleum thinners or driers. Non toxic wood finishes for wood furniture, sculpture, brick, masonry, hardwood floors, gun stocks, boats, cutting boards, butcher blocks, childrens toys, guitars... How to oil a butcher block. How to oil a cutting board. How to apply tung oil.

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[Mastersblend]

Many of our customers use Masters Blend Tung Oil to refinish or to touch up their guitar fretboards. Rub it in and let it sit for a day. Then rub all excess off. There will be no film thickness on the wood. Tung oil saturates the wood and dries within the wood fibers to provide protection. Multiple applications are recommended. You may reapply whenever required. Tung oil really brings out the grain on rosewood.

[Mastersblend]

Tung oil is a naturally drying oil. It dries faster than any other natural oil. Thinners (Citrus thinner or mineral spirits) make the oil appear to dry quicker by allowing it to penetrate deeper and by leaving a thinner surface film. The way to speed up the drying time is to add toxic metalic drying agents such as those contained by all commerical varnishes and "tung oil finishes". You may add a few drops of "Japan driers", available at a good paint store, but no longer non-toxic. 

[Mastersblend]

Hi Alberto-

Tung oil is not a surface finish, so it doesnt build up a shiny plastic film on the surface. The oil soaks into the wood and dries to a protective finish. After intense rubbing, such as under the guitar strings or on high traffic floors, the fibers become dry or worn. So it is time to reapply more tung oil. Simply wipe the entire area with a soft cloth and a spot of tung oil. Allow to dry and apply another coat if needed.

[Mueiwark]

I have a question: Scratched Tung oil surfaces can be repaired easily by putting on another layer. But, what if you had a tung oil finish with wax (or other, like shellac) on top of it? You can't just wipe on Tung oil or can you?

[Mastersblend]

Tung oil finishes are very easy to repair. If wood is finished with 100% pure tung oil, then simply wipe scratches with more tung oil. This will saturate the light colored fibers and darken them to the surrounding color. If the surface has a secondary finish (wax or shellac), apply tung oil to saturate the scratch. Then wipe it clean and let it dry a day before following with either wax or shellac on the entire piece.

[BillEvans1956]

Can you use Tung Oil or Preserve on a rosewood fretboard on a guitar? Thanks.

[gary97209]

I'm testing pure tung oil on some basswood and it's taking forever to dry...7 days now and not totally dry yet. Are you supposed to mix mineral spirits with it to get it to dry faster? The basswood soaked up a lot of oil. I don't know what to believe about tung oil...I've heard it said that if you don't add mineral spirits it won't dry?

[AlbertoLaiho]

Another confused guy here... I've noticed that tung-oiled wood can become "dull-looking" at spots where it is in constant contact with the human body (on a guitar, in this case); it looks "buffed out" and sort of "dry", as opposed to the almost-wet look of untouched, cured tung oil. I'd like to know what causes this, is it just the finish that dulled or could it be in the actual wood? And can it be fixed by simply applying more tung oil on the dull areas?

Thanks in advance!!

[Mueiwark]

Ah, thank you for the reply. Fixing it is easier then I thought. :)