More about this will be explored in greater depth below. Moving back over to the chart, let’s take a more granular look at our different softwood species. The specific gravity of poplar woods ranges from 0.31 to 0.43. Sapwood is pale yellow to white, not always clearly demarcated from the heartwood. It has a perfume type smell when cut green. Thus, you can reference it straight from your phone when you’re on the job. For this reason, and because it's fairly cheap as hardwoods go, and because it paints unusually well, it's often (usually) painted. Each wood species is listed in alphabetical order on each chart with its corresponding related number next to each species. Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Density - Density of different solid materials, liquids and gases. It is an excellent wood to paint. Larger force - harder wood. If you haven’t dried it enough, there is a good chance that the BTU will decrease. As you may have already noticed in the chart, those woods also have the top five bending strength thresholds in almost the same order. Wood Hardness Chart. i would like to know if it can withstand extreme humidity fluctuations . Italian Olive by Cookwoods.com…. A high Janka number is a good indicator that the wood species will make tough flooring, countertops or fine furniture. Definitions and convertion calculators. This wood density chart gives you the wood density for woods of all types of trees. You can target the Engineering ToolBox by using AdWords Managed Placements. Only emails and answers are saved in our archive. Also someone mention poplar siding, while Wehave no poplar trees around here we do have cottonwood and I grew up on a farm that had the trees and a sawmill. Workability: Very easy to work in almost all regards,  one of Poplar’s only downsides is its softness. Copyright © 2008-2020 Eric Meier | All Rights Reserved. It is a measurement of the amount of force needed to embed a .444" steel ball into wood to half the ball's diameter. A simple comparison of the lb/ft3 of cedar and any other species will tell you what you can expect in added weight. The Janka hardness test measures the force required to embed a .444 inch steel ball to half its diameter in wood. that have strong smells when green, but these odors are almost entirely absent in the dried wood. Related Topics . This force is recorded in both pounds-force (lbf) and kilo-Newtons (kN). I also have a different experience with yellow poplar. Seeds without a shell ie pinecone are softwoods.. pretty simple really, I have a section of Tulip Poplar I’ve been working from for over 3 months and so far haven’t had any problems with rot or insects. Firewood Measurements - 1 cord measures 8 feet long, 4 feet high and 4 feet wide or 128 cubic feet Think about the cost of 1 cord of firewood vs. the cost of fuel oil or the cu. It would be helpful to determine the density (hardness) technically. Hmmm. Instability of poplar or any wood is caused because of improper drying. We have a wide variety of products using the types of wood listed below. Epoxy ‘wets’ the wood and really makes it pop. I wouldn’t use it for the countertop but for the cabinet it’d be fine. The poster, Worldwide Woods, Ranked by Hardness, should be required reading for anyone enrolled in the school of wood nerdery. Although classified as a hardwood, alder is one of the softest of all hardwoods and is more commonly referred to as a semi-hardwood. The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Sustainability: This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species. More about this will be explored in greater depth below. Wouldn’t use the stuff for anything but cabinetry & furniture. We would require to evaluate the hardness of wood, as wood is used in various uses such as furnitures and other industrial uses. The Janka Hardness Test was conducted by measuring the amount of force necessary to embed a .444 inch steel ball into side of the wood up to one half of its diameter to determine its hardness rating, which is then recorded on the Janka Hardness Scale. Actually, It’s likely to be rainbow poplar because the the colors that are revealed when it’s sanded and polished have a wide range. Red maple, for example, is used for gymnasium floors and butcher blocks and has a Janka rating of 950. Poplar. A measure of the hardness of wood, produced by a variation on the Brinell hardness test. Thoughts on using the poplar? Similar to our other home improvement infographics, the Hardness Ratings for Softwoods chart is mobile friendly. White oak would be a much better choice. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. That looks very suspicious. Because of that, the term for this unit of measure is pound-force. Each specific type of wood will have its very own BTU rating. The old ‘man tales’ said that it would last forever, as long as you ‘kept it off the ground’. The Janka hardness scale measures the amount of force required to embed a 0.444” steel ball into the wood to the half of its diameter.