Ruby Aluminum Oxide(DRA) 

PRODUCT︰Ruby Aluminum Oxide

BRAND NAME︰RUHC

DESCRIPTION AND USE︰RUHC is a dark pink aluminum oxide obtained by fusion of

               calcined alumina and chrome ore in electric are furnaces. Its self-edged 

               reposition characteristic makes RUHC a special product for vitrified grinding   

                wheels.

 COLOR : Dark Pink

 FIRED COLOR 1300ºC:  Dark Pink

 CRYSTALLINE STRUCTURE: alpha-alumina macro crystals from trigonal   

                class,hexagonal system.

               FUSION POINT (°C): 2050

               TOUGHNESS (ANSI-B.74.8.1987):47%

               HARDNESS: Mohs – 9

               TRUE SPECIFIC GRAVITY: 3.93 g/cm³

               CRYSTAL SIZE (µm ) (2): 6.000

               L-GRITS: -

               R-GRITS: 0.007

               B-GRITS: 0.007