Semi-friable Fused Aluminum Oxide
FRPL calcined, angular grain shape
ZFRPL calcined, blocky grain shape
FRPLCC calcined, angular grain shape, ceramic coated
ZFRPLCC calcined, blocky grain shape, ceramic coated
BFRPL high temperature treated, calcined, angular grain shape
BFRPLCC high temperature treated, calcined, angular grain shape, ceramic coated