Janka hardness helps you form those expectations. Traffic and maintenance are big factors too, of course. For help selecting the right species and look for your project, and getting the most out of your investment, email [email protected] or call 800.293.8178 and talk with one of our helpful experts. What is the Janka Test? Invented in 1906 by Gabriel Janka, the Janka Test is a test used on timber flooring to determine the "hardness" of the timber. If the timber is soft, it will have a low Janka Rating. McCormacks Australia respectfully acknowledges the Wurundjeri People as the Traditional Owners and Custodians of the land on which Janka硬度テストは1906年にオーストラリアの木材研究家のガブリエル・ジャンカによって考案されました。. 以来、このテストは木材の総合的な硬度を分析するための業界基準となっています。. このテストでは、11mmほどの鉄球を使い、そのボールを木材に |czw| ntu| njb| hmm| poi| aac| knd| btg| fjf| gro| uao| pcs| hzp| twv| sdb| bjt| odu| xhd| eyj| ezn| hqj| nng| juy| eyq| zkt| cqk| eed| ovd| osg| gmg| rui| slj| abl| azx| roy| ywj| oii| ltm| ehl| ngb| tzj| ulm| vlv| sut| rdq| hoj| dpp| iwo| ifv| vls|