Be sure to wait around a few minutes and check out all over again. When the problem persists, open up a ticket on our help site and We're going to assist with troubleshooting. CORESIC® SE silicon carbide rollers are formed by extrusion and they are sintered less than high temperature. https://cesarnkfbv.wikidirective.com/6890536/silicon_carbide_lower_hardness_fundamentals_explained