... cloth, paper and sanding belt 2.angular, sharp-edged Description:AEHTP is a kind of blue color roasted, angular, sharp-edged ... glue bonds, and to exhibit a very increased toughness. Applications:AEHTP is used for production of all kinds of premium quality ... , FEPA-standard 43-1:2006 or ISO 6344-2: 1998 AEHTP - Brown Corundum