Labels:outboard motor | poster | sewing kit | trade name OCR: Abuse and Impact Test Methods Surface Indentation: (ASTM 5420 Gardner Impact) A sample laid and impacted by hemispherical rod raised to height that provides in Ibs of impact energy The depth of the indentation measured from three board samples and avera iged The results are reported as the mean depth of indentation This test measures the ability for panel to resist dents measurec averaged
