Medium grain sizes are used in high stock elimination functions where some Charge of surface complete is required. Coarse grain sizes are used for billet conditioning and snagging operations in steel mills and foundries, where stock removal rates are important and there is small problem about surface end. Abrasive materials https://www.facebook.com/permalink.php?story_fbid=pfbid0ZH2jhnQuVnNsrf7xUngo6hnw8VNigrx8w64W2Ji5AUpczagcBgWpHE8kvQZWBEFkl&id=61562415773754&__cft__[0]=AZUv0AZ4Vzq2mZEo3P_lStgda1Mk_448-06NRE4cd3PevlhWAXppnGNb_Jbst-BWjKh_l5FL6V7cJ9WmuzUiDy6PdQe8Khi5JYxgHpgu2DYx_sAnNwVcdA-e5yaNTkA_4-8Vd79cbC7DMnkPzKjEOnikkaHkHQKTMTa-RNax5u235d9FCHnjGdOg3qI6pgBkAxWqhjiXTS6S_X9n73ZnOYpO&__tn__=%2CO%2CP-R