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So turners tend to like finishes that beautify and protect their handiwork, pronto. In that spirit, here are some of my choices for quick, simple finishes to try. Shellac is a splendid traditional finish for spindle turnings, bowls and boxes.
Any finish will stick to shellac and vice versa. It also dries incredibly quickly and is food safe. While you can buy premixed liquid shellac at a hardware store, I prefer to use dry shellac flakes that have to be dissolved in denatured alcohol.
I mix a small amount of dewaxed shellac flakes with enough denatured alcohol to cover them. I cap the container and let the flakes dissolve over a period of 12 to 24 hours. You can accelerate the process slightly by placing the bottle in a sunny window or outside on warm summer days. A full-strength solution best wood for turning finials 20 this is far too viscous for our needs and must be diluted by mixing one part full-strength shellac to three parts alcohol.
This reduces it to a 2-lb. With the turning mounted in the lathe and stationary, I brush on the shellac. When the wood is completely saturated, start the lathe and burnish the finish with either shavings from the floor or a small piece of paper towel.
You need quite a bit of speed for this process to work. Let common sense be your guide here. The friction of the shavings or paper causes the alcohol to evaporate, and the shellac melts into a smooth finish. A second coat followed by burnishing and even a third is good measure. Much depends on the strength of the shellac and the wood you are finishing. Open-grain woods will take more coats than close-grained varieties.
Be sure to insulate your hands with sufficient shavings or paper towel to prevent burns, and remove the toolrest to avoid pinches. If you are getting streaks with chips sticking to the work, the solution is too thick. Add more alcohol. Pure best wood for turning finials 20 wax is a fine finish in its own right.
Carnauba is the hardest of waxes and comes from the leaves of a Brazilian palm tree. It is so hard that it cannot be applied in its natural form.
These all have various forms of mineral spirits as a vehicle to apply the polish. Once the spirits evaporate, the best wood for turning finials 20 can be buffed out. At the lathe, pure carnauba in solid form is a friction polish par excellence, but you must use sufficient speed per the speeds for shellac, above to apply it.
Hold the wax against the turning to coat the wood, then use chips or paper towel to melt it into a smooth, glossy coating. Like shellac, traditional oil finishes have been around for a long time. You can make your own by mixing equal parts of an oil-based varnish, a drying oil such as tung or boiled linseed and mineral spirits. My favorite commercial oil finish these days is Waterlox Original Sealer Finish — a tung oil-based coating made in Cleveland.
Other oil finishes that work well best wood for turning finials 20 Minwax Antique Oil a linseed-based oil finish and the widely available Watco Danish Oil. They have a healthy appetite for oxygen, which is what is needed for them to polymerize.
Therefore, a can of oil finish either has to be decanted into smaller containers or used within a day or two to prevent the mixture from beginning to cure. Heat is released in the polymerization process, making this finish potentially flammable if rags are wadded up tightly after use.
So, take great care to spread them out flat until the finish dries, and be just as cautious about best wood for turning finials 20 away brushes and wood shavings saturated with the wet finish.
A fireproof metal trash can is a sensible safety measure to add to your shop if you plan to work with a lot of blended oil finishes. It can be applied to a bowl that has been turned from unseasoned green or dry wood.
Since it will inhibit water loss from the end grain, a rough-turned green bowl will dry more evenly, and less checking will occur. I use blended oil finish for most of my bowls. Once I have sanded a green or dry bowl up to grit, I wipe on the first coat of finish. Then I sand the bowl with grit again. Wet finish actually makes the best wood for turning finials 20 process more efficient, because the mixture of wood dust and oil fills the wood pores and then hardens into an ideal wood filler that perfectly matches the wood.
Burnishing the applied and sanded finish with wood shavings enhances the pore-filling process. I sand subsequent coats of finish into the wood at hour intervals with progressively finer sandpaper. I use grit for the second coat and for all subsequent coats. Depending on the intended use and the wood the bowl is turned from, I apply anywhere from three to five coats of finish. In terms of food safety issues, be sure to check the safety data sheets for whichever finish you choose.
You can find it at most grocery stores. Walnut oil is my go-to finish for treenware and bowls that are intended to be used. Walnut oil will dry eventually, but it is slow to polymerize and does not form a very durable coating. However, you can recoat any time you wish to good effect, whenever the wood begins to look dry.
Bowls and treenware were seldom finished in antiquity. Cooking oil and washing by hand will soon build an attractive patina that will enhance the character of your turned projects permanently.
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