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2. Janka hardness test - Wikipedia

   en.wikipedia.org/wiki/Janka_hardness_test

   When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...

3. Lignum vitae - Wikipedia

   en.wikipedia.org/wiki/Lignum_vitae

   Lignum vitae is hard and durable, and is also the densest wood traded (average dried density: ~79 lb/ft 3 or ~1,260 kg/m 3); [4] it will easily sink in water. On the Janka scale of hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4,390 lbf (compared with Olneya at 3,260 lbf, [5] African blackwood at 2,940 lbf, hickory at 1,820 ...

4. List of woods - Wikipedia

   en.wikipedia.org/wiki/List_of_woods

   NCSU Inside Wood project Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K

5. EDITORIAL: Hard time for hard wood - AOL

   www.aol.com/editorial-hard-time-hard-wood...

   The Forest Service and the volunteers are building additional DNA databases for eastern white oak, bigleaf maple, Western red cedar and Douglas fir from the Pacific Northwest. Frank and Joe Hardy ...

6. Cabinetry - Wikipedia

   en.wikipedia.org/wiki/Cabinetry

   The cabinet box will most often have a wood veneer to finish the interior. Cabinet door and drawer face material will depend on the manufacturer. Often a natural wood such as maple, oak, ash, birch, cherry, or alder will be used as a material that is intended to be finished with a stain or other transparent or semi-transparent finish.

7. Oak - Wikipedia

   en.wikipedia.org/wiki/Oak

   Oak timber is a strong and hard wood with many uses, such as for furniture, floors, building frames, and veneers. [70] The wood of a red oak Quercus cerris (the Turkey oak) has better mechanical properties than those of the white oaks Q. petraea and Q. robur; the heartwood and sapwood have similar mechanical properties. [71]