"NSN IS USED TO PURCHASE A MINIMUM OF 20CONTAINRS TO A MAXIMUM OF 59 CONTAINERS;CR O 2TI O;ANGULAR/BLOCKY FUSED AND CRUSHED;-88 +3.9 UM;RC 65-72HARDNESS;TEXTURE/FINISH AS SPRAYED 130-200,GROUND 10-15,LAPPED 1.5-4,BRUSHED 45-130;COATING NUMBERS P106F-10 AND P106F-11;ESSENTIALLY PURE CHROMIUM OXIDE.PRODUCES COATINGS THAT ARE HARDER, MORE DENSE AND MORE WEAR RESISTANT THAN METCO 106.HAVE EXCELLENT CORROSION RESISTANCE AND TAKES A FINE BRUSH FINISH.COATINGS AREINSOLUBLE IN ACIDS, ALKALIS AND ALCOHOL"