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A common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample with a thickness of at least 6–8 mm, and the most commonly used test is the ASTM D1037.
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 ...
2.2 Hardness vs density? ... 2.3 Bar chart table. 1 comment. 2.4 External links modified. 1 comment. 2.5 Where did Gabriel Janka settle? 1 comment. Toggle the table ...
The density of dry balsa wood ranges from 40 to 475 kg/m 3, with a typical density around 160 kg/m 3. [5] [6] [7] Balsa is the softest wood ever measured using the Janka hardness test (22 to 167 lbf). [8] The wood of the living tree has large cells that are filled with water. This gives the wood a spongy texture.
Toggle the table of contents. Hardnesses of the elements (data page) 10 languages.
Toggle the table of contents. List of Acacia species used for timber production. ... Sapwood density [kg/m³] Acacia acuminata: 1040 [1] Acacia amythethophylla: 1170 [2]
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Its wood has a similar feel and similar tonal attributes to genuine rosewoods, but is near 1000 points softer on the Janka hardness scale on average or more than all of the commonly traded species of rosewood except for Sisso and Amazonian rosewood (Dalbergia spruceana). It also ranks lower in density of 5-10 lbs per cubic foot compared to ...