❈ Watco Danish Oil Finish (Pint) |
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❈ Finishing Tips:
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❈ How to Apply Tung Oil~ from wikipedia.org |
The traditional technique is to apply the diluted oil as a succession of very thin films with soft non-fuzzy cloth, like tee-shirt cotton. Dilutants range from traditional Spirits of turpentine to any of the new citrus thinners to VM&P naphtha. The choice of thinner should be guided by how fast the coating needs to set. Naphtha is often too fast, but works well in spray-on applications in well ventilated studios.
Primary coats may be laid down at a 1:2 oil-to-thinner ratio, and successive layers (3 or more) at higher oil concentrations, with the final layer consisting of the oil alone. This technique results in the traditional wet-wood look by filling in all open wood cells as water does. The finish is matte by its nature. |
Tung Oil finishes that start with polymerized pure oils or 'tung oil preparations' are best applied in the 'fat over lean' principle: thinned pure oil is applied to deeply penetrate the surface, to fill pores. Straight oil is then applied moderately to adhere to the surface and provide a good base for the thick gloss layers. The polymerized oil is then applied thickly as a single layer, allowed to fully dry, is buffed smooth with very fine sandpaper then 00 steel wool. The surface is wiped clean with a moistened rag, then allowed to dry. A final coat is again applied fairly thickly - the oil will smooth itself into a glass-like coating - and allowed to dry for two to three days. The resulting finish is almost completely impervious to water. |
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