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Expert's Corner — table

Fillers - When Smooth isn't Smooth Enough

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Fillers - When Smooth isn't Smooth Enough

So, you've just finished that stellar table top and you'd like to give it a 'smooth as glass' finish.  What's a woodworker to do? Why, 'Fill and Finish' of course. There are two kinds of 'fillers' - putty type fillers used to fill scratches, dents, and holes in wood, and grain (aka pore) fillers that serve to level out the surface of open grained woods. It's the latter filler that concerns us here. Woods such as oak, ash, elm, mahogany, chestnut, walnut, wenge, and teak are characterized as having 'open grain' because the wood pores are large. In contrast, 'closed...

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Using a Viscosity Cup

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Using a Viscosity Cup

Finishes vary in viscosity (thickness in liquid form) depending on their type and formulation, and especially in temperature differences. The viscosity is thicker when the finish is cold and thinner when the finish is warm. To measure viscosity dip a viscosity cup into a finish so the cup is full. Then lift the cup out of the finish and begin timing the drainage with a stopwatch. When the stream breaks, indicating that the cup is empty, stop the timer. The number of seconds is the measure of the viscosity. There are many types of viscosity cups. Some are quite expensive....

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