procurement of desiccant activated alumina ad-101 for summits make instrument air dryer installed at ph-i, sstpp, mppgcl, dongalia procurement of desiccant activated alumina ad-101 for summits make instrument air dryer installed at ph-i, sstpp, mppgcl, dongalia , desiccant activated alumina –ad 101 is 9700 sizes 5 to 8mm technical specifications: 1 ) type : ad-101 2 ) absorption capacity at 30 deg. cent. & 60% rh by wt ( % ) : 21.0 3 ) surface area ( m2 / gm ) ( min. ) :380 4 ) pore volume ( cc / gm ) : 0.42 5 ) bulk density strength ( gm / lit ) : 800 6 ) bed crushing strength ( % ) : 97 7 ) loss of attrition ( % ) : 0.20 8 ) loss of ignition ( % ) at ( 2500 c to 1000 0 c ) - 6.0 9 ) free moisture ( % ) : 0.5 10 ) size tolerance ( % ) ( oversize or undersize ) : 02 11 ) chemical analysis ( % ) - al2o3 ( by difference ) : 93 na2o: 0.25 fe2o3: 0.05 sio2: 0.08