<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1497998339354_2992">Hi All,</div><div id="yui_3_16_0_ym19_1_1497998339354_2992">What is the difference between compressive strength and compressive modulus?</div><div id="yui_3_16_0_ym19_1_1497998339354_2992">Hank</div></div></body></html>