Unibrite Corporation                  Port Washington, N.Y. 11050

Phone: 800-354-1067                          Fax:  631-582-2820                   Email: info@unibrite .com

 Silicon Carbide, Aluminum Oxide, Alumina, Glass Beads, Vibratory Compounds

Since 1956

BROWN ALUMINUM OXIDE

CHARACTERISTICS

Crystal Form                                         Alpha Alumina

Specific Gravity                                  3.95 grms/cc

Bulk Density                                         132 lbs/ ft3  (depends on size)

Hardness                                               MOHS=9, Knoops=2,000

Melting Point                                        2,000 degree C

TYPICAL CHEMICAL ANALYSIS

AlO2                                                                       95.5 %

TiO2                                                                         2.70

SiO 2 (not free)                                                   .67

FeO2                                                                         .25

SIZES

Brown Aluminum Oxide is graded to ANSI Standards Table 2 or 3 or FEBA sized  P or F. The

following Grit are available

.

Macro grades: ANSI ,FEBA F or P   8,10,12,14,16,20,24,30,36,46,54,60,70,80,90,100,120,

150,180,220,240.

Micro grades: FEBA   F sized :

280,320,360,400,500,600,800,1000,1200 and Micron sized in 50,30,27,25,22,20,17,14,

12,9,5,3,1.

11/02

Last modified: 01/28/08