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The wood is very hard, measuring 5.6 on the Brinell scale and 2,350 lbf (10,500 N) on the Janka scale, approximate measurements of hardness. For comparison, Douglas fir measures 660 lbf (2,900 N), white oak 1,360 lbf (6,000 N), and Brazilian walnut 3,800 lbf (17,000 N) on the Janka scale. It features a tan to salmon color with black accent ...
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 ...
Friedrich Gottlob Hayne, a German botanist, first scientifically described this species in 1830 as Hymenaea stigonocarpa, a name that had been used before by Carl Friedrich Philipp von Martius, and was based on a specimen collected from a seasonally dry forest type, locally known as Caatinga, in the state of Piauí, north-eastern Brazil, during his 1817-1820 expedition.
The trees produce a dense wood used for timber in making ships and furniture. The thick bark of some species is used by indigenous peoples of the Amazon to make canoes . Seeds contain large amounts (40% of dry weight) of a highly viscous polysaccharide ( xyloglucan ) which can be used in several industrial sectors such as food, paper, cosmetic ...
No. 3 Iowa State has one more nonconference matchup before it heads into what promises to be a challenging Big 12 Conference schedule. The Cyclones (9-1) will look to fine-tune their performance ...
Jatobá may refer to: . Hymenaea courbaril, tree common to the Caribbean, Central, and South America; Jatobá, Maranhão, municipality in Brazil; Jatobá, Pernambuco ...
The Village People’s lyricist and lead singer has hit out at the “false assumption” that the band’s biggest hit, “YMCA,” is a “gay anthem.”
$12.50 off each box of 10 filters or a new pitcher and pack of two filters. No more plastic bottles—say hello to Brita! Whether you’re stocking up on the 10-count box of filters or grabbing a ...